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Finding the Fourth Proportional to 110,456.66, 152,430.19 and 60,155.66

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Solution

The fourth proportional to 110,456.66, 152,430.19 and 60,155.66 is: 83,014.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,456.66 : 152,430.19 = 60,155.66 : x
  2. Step 2: Convert to fraction form
    110,456.66/152,430.19 = 60,155.66/x
  3. Step 3: Cross multiply
    110,456.66x = 152,430.19 × 60,155.66
  4. Step 4: Simplify right side
    110,456.66x = 9,169,537,620.45
  5. Step 5: Solve for x
    x = 9,169,537,620.45/110,456.66
  6. Step 6: Final answer
    x = 83,014.80

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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.