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Finding the Fourth Proportional to 71,044.92, 98,159.66 and 56,051.67

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Solution

The fourth proportional to 71,044.92, 98,159.66 and 56,051.67 is: 77,444.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,044.92 : 98,159.66 = 56,051.67 : x
  2. Step 2: Convert to fraction form
    71,044.92/98,159.66 = 56,051.67/x
  3. Step 3: Cross multiply
    71,044.92x = 98,159.66 × 56,051.67
  4. Step 4: Simplify right side
    71,044.92x = 5,502,012,869.63
  5. Step 5: Solve for x
    x = 5,502,012,869.63/71,044.92
  6. Step 6: Final answer
    x = 77,444.14

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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.