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Finding the Fourth Proportional to 186,535.89, 257,424.99 and 101,658.42

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Solution

The fourth proportional to 186,535.89, 257,424.99 and 101,658.42 is: 140,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,535.89 : 257,424.99 = 101,658.42 : x
  2. Step 2: Convert to fraction form
    186,535.89/257,424.99 = 101,658.42/x
  3. Step 3: Cross multiply
    186,535.89x = 257,424.99 × 101,658.42
  4. Step 4: Simplify right side
    186,535.89x = 26,169,417,751.92
  5. Step 5: Solve for x
    x = 26,169,417,751.92/186,535.89
  6. Step 6: Final answer
    x = 140,291.60

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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.