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Finding the Fourth Proportional to 103,442.47, 155,053.44 and 58,973.47

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Solution

The fourth proportional to 103,442.47, 155,053.44 and 58,973.47 is: 88,397.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,442.47 : 155,053.44 = 58,973.47 : x
  2. Step 2: Convert to fraction form
    103,442.47/155,053.44 = 58,973.47/x
  3. Step 3: Cross multiply
    103,442.47x = 155,053.44 × 58,973.47
  4. Step 4: Simplify right side
    103,442.47x = 9,144,039,004.60
  5. Step 5: Solve for x
    x = 9,144,039,004.60/103,442.47
  6. Step 6: Final answer
    x = 88,397.34

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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.