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Finding the Fourth Proportional to 58,893.80, 88,307.13 and 40,196.47

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Solution

The fourth proportional to 58,893.80, 88,307.13 and 40,196.47 is: 60,271.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,893.80 : 88,307.13 = 40,196.47 : x
  2. Step 2: Convert to fraction form
    58,893.80/88,307.13 = 40,196.47/x
  3. Step 3: Cross multiply
    58,893.80x = 88,307.13 × 40,196.47
  4. Step 4: Simplify right side
    58,893.80x = 3,549,634,901.83
  5. Step 5: Solve for x
    x = 3,549,634,901.83/58,893.80
  6. Step 6: Final answer
    x = 60,271.79

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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.