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Finding the Fourth Proportional to 157,191.57, 216,890.73 and 93,516.93

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Solution

The fourth proportional to 157,191.57, 216,890.73 and 93,516.93 is: 129,033.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,191.57 : 216,890.73 = 93,516.93 : x
  2. Step 2: Convert to fraction form
    157,191.57/216,890.73 = 93,516.93/x
  3. Step 3: Cross multiply
    157,191.57x = 216,890.73 × 93,516.93
  4. Step 4: Simplify right side
    157,191.57x = 20,282,955,215.06
  5. Step 5: Solve for x
    x = 20,282,955,215.06/157,191.57
  6. Step 6: Final answer
    x = 129,033.35

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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.