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Finding the Fourth Proportional to 102,572.60, 153,858.90 and 97,734.20

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Solution

The fourth proportional to 102,572.60, 153,858.90 and 97,734.20 is: 146,601.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,572.60 : 153,858.90 = 97,734.20 : x
  2. Step 2: Convert to fraction form
    102,572.60/153,858.90 = 97,734.20/x
  3. Step 3: Cross multiply
    102,572.60x = 153,858.90 × 97,734.20
  4. Step 4: Simplify right side
    102,572.60x = 15,037,276,504.38
  5. Step 5: Solve for x
    x = 15,037,276,504.38/102,572.60
  6. Step 6: Final answer
    x = 146,601.30

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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.