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Finding the Fourth Proportional to 111,073.68, 153,281.52 and 60,772.68

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Solution

The fourth proportional to 111,073.68, 153,281.52 and 60,772.68 is: 83,866.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,073.68 : 153,281.52 = 60,772.68 : x
  2. Step 2: Convert to fraction form
    111,073.68/153,281.52 = 60,772.68/x
  3. Step 3: Cross multiply
    111,073.68x = 153,281.52 × 60,772.68
  4. Step 4: Simplify right side
    111,073.68x = 9,315,328,764.87
  5. Step 5: Solve for x
    x = 9,315,328,764.87/111,073.68
  6. Step 6: Final answer
    x = 83,866.21

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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.