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Finding the Fourth Proportional to 375,643.98, 563,465.16 and 95,160.42

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Solution

The fourth proportional to 375,643.98, 563,465.16 and 95,160.42 is: 142,740.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,643.98 : 563,465.16 = 95,160.42 : x
  2. Step 2: Convert to fraction form
    375,643.98/563,465.16 = 95,160.42/x
  3. Step 3: Cross multiply
    375,643.98x = 563,465.16 × 95,160.42
  4. Step 4: Simplify right side
    375,643.98x = 53,619,581,280.97
  5. Step 5: Solve for x
    x = 53,619,581,280.97/375,643.98
  6. Step 6: Final answer
    x = 142,740.42

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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.