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Finding the Fourth Proportional to 157,200.57, 216,903.15 and 93,525.93

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Solution

The fourth proportional to 157,200.57, 216,903.15 and 93,525.93 is: 129,045.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,200.57 : 216,903.15 = 93,525.93 : x
  2. Step 2: Convert to fraction form
    157,200.57/216,903.15 = 93,525.93/x
  3. Step 3: Cross multiply
    157,200.57x = 216,903.15 × 93,525.93
  4. Step 4: Simplify right side
    157,200.57x = 20,286,068,823.68
  5. Step 5: Solve for x
    x = 20,286,068,823.68/157,200.57
  6. Step 6: Final answer
    x = 129,045.77

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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.