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Finding the Fourth Proportional to 157,219.61, 216,944.27 and 92,639.93

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Solution

The fourth proportional to 157,219.61, 216,944.27 and 92,639.93 is: 127,832.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,219.61 : 216,944.27 = 92,639.93 : x
  2. Step 2: Convert to fraction form
    157,219.61/216,944.27 = 92,639.93/x
  3. Step 3: Cross multiply
    157,219.61x = 216,944.27 × 92,639.93
  4. Step 4: Simplify right side
    157,219.61x = 20,097,700,438.78
  5. Step 5: Solve for x
    x = 20,097,700,438.78/157,219.61
  6. Step 6: Final answer
    x = 127,832.02

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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.