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Finding the Fourth Proportional to 145,862.26, 218,648.04 and 61,643.62

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Solution

The fourth proportional to 145,862.26, 218,648.04 and 61,643.62 is: 92,404.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,862.26 : 218,648.04 = 61,643.62 : x
  2. Step 2: Convert to fraction form
    145,862.26/218,648.04 = 61,643.62/x
  3. Step 3: Cross multiply
    145,862.26x = 218,648.04 × 61,643.62
  4. Step 4: Simplify right side
    145,862.26x = 13,478,256,691.50
  5. Step 5: Solve for x
    x = 13,478,256,691.50/145,862.26
  6. Step 6: Final answer
    x = 92,404.00

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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.