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Finding the Fourth Proportional to 186,560.96, 257,459.52 and 101,683.52

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Solution

The fourth proportional to 186,560.96, 257,459.52 and 101,683.52 is: 140,326.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,560.96 : 257,459.52 = 101,683.52 : x
  2. Step 2: Convert to fraction form
    186,560.96/257,459.52 = 101,683.52/x
  3. Step 3: Cross multiply
    186,560.96x = 257,459.52 × 101,683.52
  4. Step 4: Simplify right side
    186,560.96x = 26,179,390,251.11
  5. Step 5: Solve for x
    x = 26,179,390,251.11/186,560.96
  6. Step 6: Final answer
    x = 140,326.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.