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Finding the Fourth Proportional to 186,347.42, 257,160.06 and 101,465

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Solution

The fourth proportional to 186,347.42, 257,160.06 and 101,465 is: 140,022.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,347.42 : 257,160.06 = 101,465 : x
  2. Step 2: Convert to fraction form
    186,347.42/257,160.06 = 101,465/x
  3. Step 3: Cross multiply
    186,347.42x = 257,160.06 × 101,465
  4. Step 4: Simplify right side
    186,347.42x = 26,092,745,487.90
  5. Step 5: Solve for x
    x = 26,092,745,487.90/186,347.42
  6. Step 6: Final answer
    x = 140,022.04

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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.