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Finding the Fourth Proportional to 113,878.62, 157,152.60 and 63,577.62

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Solution

The fourth proportional to 113,878.62, 157,152.60 and 63,577.62 is: 87,737.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,878.62 : 157,152.60 = 63,577.62 : x
  2. Step 2: Convert to fraction form
    113,878.62/157,152.60 = 63,577.62/x
  3. Step 3: Cross multiply
    113,878.62x = 157,152.60 × 63,577.62
  4. Step 4: Simplify right side
    113,878.62x = 9,991,388,284.81
  5. Step 5: Solve for x
    x = 9,991,388,284.81/113,878.62
  6. Step 6: Final answer
    x = 87,737.17

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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.