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Finding the Fourth Proportional to 65,864.90, 98,566.95 and 60,335.30

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Solution

The fourth proportional to 65,864.90, 98,566.95 and 60,335.30 is: 90,291.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,864.90 : 98,566.95 = 60,335.30 : x
  2. Step 2: Convert to fraction form
    65,864.90/98,566.95 = 60,335.30/x
  3. Step 3: Cross multiply
    65,864.90x = 98,566.95 × 60,335.30
  4. Step 4: Simplify right side
    65,864.90x = 5,947,066,498.34
  5. Step 5: Solve for x
    x = 5,947,066,498.34/65,864.90
  6. Step 6: Final answer
    x = 90,291.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.