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Finding the Fourth Proportional to 162,810.40, 244,215.60 and 148,813.60

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Solution

The fourth proportional to 162,810.40, 244,215.60 and 148,813.60 is: 223,220.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,810.40 : 244,215.60 = 148,813.60 : x
  2. Step 2: Convert to fraction form
    162,810.40/244,215.60 = 148,813.60/x
  3. Step 3: Cross multiply
    162,810.40x = 244,215.60 × 148,813.60
  4. Step 4: Simplify right side
    162,810.40x = 36,342,602,612.16
  5. Step 5: Solve for x
    x = 36,342,602,612.16/162,810.40
  6. Step 6: Final answer
    x = 223,220.40

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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.