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Finding the Fourth Proportional to 92,030.55, 138,019.14 and 35,858.13

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Solution

The fourth proportional to 92,030.55, 138,019.14 and 35,858.13 is: 53,776.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,030.55 : 138,019.14 = 35,858.13 : x
  2. Step 2: Convert to fraction form
    92,030.55/138,019.14 = 35,858.13/x
  3. Step 3: Cross multiply
    92,030.55x = 138,019.14 × 35,858.13
  4. Step 4: Simplify right side
    92,030.55x = 4,949,108,264.61
  5. Step 5: Solve for x
    x = 4,949,108,264.61/92,030.55
  6. Step 6: Final answer
    x = 53,776.80

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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.