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Finding the Fourth Proportional to 114,897.62, 158,555.68 and 63,907.72

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Solution

The fourth proportional to 114,897.62, 158,555.68 and 63,907.72 is: 88,190.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,897.62 : 158,555.68 = 63,907.72 : x
  2. Step 2: Convert to fraction form
    114,897.62/158,555.68 = 63,907.72/x
  3. Step 3: Cross multiply
    114,897.62x = 158,555.68 × 63,907.72
  4. Step 4: Simplify right side
    114,897.62x = 10,132,931,445.69
  5. Step 5: Solve for x
    x = 10,132,931,445.69/114,897.62
  6. Step 6: Final answer
    x = 88,190.96

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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.