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Finding the Fourth Proportional to 163,312,491.60, 244,968,737.40 and 162,178,750.80

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Solution

The fourth proportional to 163,312,491.60, 244,968,737.40 and 162,178,750.80 is: 243,268,126.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,312,491.60 : 244,968,737.40 = 162,178,750.80 : x
  2. Step 2: Convert to fraction form
    163,312,491.60/244,968,737.40 = 162,178,750.80/x
  3. Step 3: Cross multiply
    163,312,491.60x = 244,968,737.40 × 162,178,750.80
  4. Step 4: Simplify right side
    163,312,491.60x = 39,728,723,816,585,240
  5. Step 5: Solve for x
    x = 39,728,723,816,585,240/163,312,491.60
  6. Step 6: Final answer
    x = 243,268,126.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.