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Finding the Fourth Proportional to 114,503.98, 158,018.02 and 63,515.04

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Solution

The fourth proportional to 114,503.98, 158,018.02 and 63,515.04 is: 87,652.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,503.98 : 158,018.02 = 63,515.04 : x
  2. Step 2: Convert to fraction form
    114,503.98/158,018.02 = 63,515.04/x
  3. Step 3: Cross multiply
    114,503.98x = 158,018.02 × 63,515.04
  4. Step 4: Simplify right side
    114,503.98x = 10,036,520,543.45
  5. Step 5: Solve for x
    x = 10,036,520,543.45/114,503.98
  6. Step 6: Final answer
    x = 87,652.16

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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.