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Finding the Fourth Proportional to 112,592, 155,376.96 and 62,294.24

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Solution

The fourth proportional to 112,592, 155,376.96 and 62,294.24 is: 85,966.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,592 : 155,376.96 = 62,294.24 : x
  2. Step 2: Convert to fraction form
    112,592/155,376.96 = 62,294.24/x
  3. Step 3: Cross multiply
    112,592x = 155,376.96 × 62,294.24
  4. Step 4: Simplify right side
    112,592x = 9,679,089,636.71
  5. Step 5: Solve for x
    x = 9,679,089,636.71/112,592
  6. Step 6: Final answer
    x = 85,966.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.