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Finding the Fourth Proportional to 111,572.94, 153,970.65 and 60,585.42

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Solution

The fourth proportional to 111,572.94, 153,970.65 and 60,585.42 is: 83,607.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,572.94 : 153,970.65 = 60,585.42 : x
  2. Step 2: Convert to fraction form
    111,572.94/153,970.65 = 60,585.42/x
  3. Step 3: Cross multiply
    111,572.94x = 153,970.65 × 60,585.42
  4. Step 4: Simplify right side
    111,572.94x = 9,328,376,497.92
  5. Step 5: Solve for x
    x = 9,328,376,497.92/111,572.94
  6. Step 6: Final answer
    x = 83,607.88

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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.