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Finding the Fourth Proportional to 100,875.85, 151,482.47 and 63,013.24

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Solution

The fourth proportional to 100,875.85, 151,482.47 and 63,013.24 is: 94,625.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,875.85 : 151,482.47 = 63,013.24 : x
  2. Step 2: Convert to fraction form
    100,875.85/151,482.47 = 63,013.24/x
  3. Step 3: Cross multiply
    100,875.85x = 151,482.47 × 63,013.24
  4. Step 4: Simplify right side
    100,875.85x = 9,545,401,237.90
  5. Step 5: Solve for x
    x = 9,545,401,237.90/100,875.85
  6. Step 6: Final answer
    x = 94,625.24

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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.