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Finding the Fourth Proportional to 110,542.95, 152,547.98 and 65,221.02

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Solution

The fourth proportional to 110,542.95, 152,547.98 and 65,221.02 is: 90,004.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,542.95 : 152,547.98 = 65,221.02 : x
  2. Step 2: Convert to fraction form
    110,542.95/152,547.98 = 65,221.02/x
  3. Step 3: Cross multiply
    110,542.95x = 152,547.98 × 65,221.02
  4. Step 4: Simplify right side
    110,542.95x = 9,949,334,528.43
  5. Step 5: Solve for x
    x = 9,949,334,528.43/110,542.95
  6. Step 6: Final answer
    x = 90,004.24

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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.