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Finding the Fourth Proportional to 110,856.60, 152,981.12 and 60,554.52

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Solution

The fourth proportional to 110,856.60, 152,981.12 and 60,554.52 is: 83,564.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,856.60 : 152,981.12 = 60,554.52 : x
  2. Step 2: Convert to fraction form
    110,856.60/152,981.12 = 60,554.52/x
  3. Step 3: Cross multiply
    110,856.60x = 152,981.12 × 60,554.52
  4. Step 4: Simplify right side
    110,856.60x = 9,263,698,290.66
  5. Step 5: Solve for x
    x = 9,263,698,290.66/110,856.60
  6. Step 6: Final answer
    x = 83,564.70

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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.