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Finding the Fourth Proportional to 177,810.60, 266,059.80 and 162,064.20

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Solution

The fourth proportional to 177,810.60, 266,059.80 and 162,064.20 is: 242,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,810.60 : 266,059.80 = 162,064.20 : x
  2. Step 2: Convert to fraction form
    177,810.60/266,059.80 = 162,064.20/x
  3. Step 3: Cross multiply
    177,810.60x = 266,059.80 × 162,064.20
  4. Step 4: Simplify right side
    177,810.60x = 43,118,768,639.16
  5. Step 5: Solve for x
    x = 43,118,768,639.16/177,810.60
  6. Step 6: Final answer
    x = 242,498.30

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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.