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Finding the Fourth Proportional to 111,120, 153,347.04 and 60,817.92

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Solution

The fourth proportional to 111,120, 153,347.04 and 60,817.92 is: 83,929.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,120 : 153,347.04 = 60,817.92 : x
  2. Step 2: Convert to fraction form
    111,120/153,347.04 = 60,817.92/x
  3. Step 3: Cross multiply
    111,120x = 153,347.04 × 60,817.92
  4. Step 4: Simplify right side
    111,120x = 9,326,248,010.96
  5. Step 5: Solve for x
    x = 9,326,248,010.96/111,120
  6. Step 6: Final answer
    x = 83,929.52

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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.