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Finding the Fourth Proportional to 108,807.60, 163,211.40 and 62,065.20

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Solution

The fourth proportional to 108,807.60, 163,211.40 and 62,065.20 is: 93,097.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,807.60 : 163,211.40 = 62,065.20 : x
  2. Step 2: Convert to fraction form
    108,807.60/163,211.40 = 62,065.20/x
  3. Step 3: Cross multiply
    108,807.60x = 163,211.40 × 62,065.20
  4. Step 4: Simplify right side
    108,807.60x = 10,129,748,183.28
  5. Step 5: Solve for x
    x = 10,129,748,183.28/108,807.60
  6. Step 6: Final answer
    x = 93,097.80

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1.5x scale

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.