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Finding the Fourth Proportional to 144,712.30, 217,068.45 and 97,473.10

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Solution

The fourth proportional to 144,712.30, 217,068.45 and 97,473.10 is: 146,209.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,712.30 : 217,068.45 = 97,473.10 : x
  2. Step 2: Convert to fraction form
    144,712.30/217,068.45 = 97,473.10/x
  3. Step 3: Cross multiply
    144,712.30x = 217,068.45 × 97,473.10
  4. Step 4: Simplify right side
    144,712.30x = 21,158,334,733.70
  5. Step 5: Solve for x
    x = 21,158,334,733.70/144,712.30
  6. Step 6: Final answer
    x = 146,209.65

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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.