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Finding the Fourth Proportional to 97,144.79, 134,061.71 and 58,894.97

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Solution

The fourth proportional to 97,144.79, 134,061.71 and 58,894.97 is: 81,276.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,144.79 : 134,061.71 = 58,894.97 : x
  2. Step 2: Convert to fraction form
    97,144.79/134,061.71 = 58,894.97/x
  3. Step 3: Cross multiply
    97,144.79x = 134,061.71 × 58,894.97
  4. Step 4: Simplify right side
    97,144.79x = 7,895,559,423.82
  5. Step 5: Solve for x
    x = 7,895,559,423.82/97,144.79
  6. Step 6: Final answer
    x = 81,276.20

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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.