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Finding the Fourth Proportional to 70,245.63, 97,048.13 and 58,897.53

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Solution

The fourth proportional to 70,245.63, 97,048.13 and 58,897.53 is: 81,370.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,245.63 : 97,048.13 = 58,897.53 : x
  2. Step 2: Convert to fraction form
    70,245.63/97,048.13 = 58,897.53/x
  3. Step 3: Cross multiply
    70,245.63x = 97,048.13 × 58,897.53
  4. Step 4: Simplify right side
    70,245.63x = 5,715,894,853.63
  5. Step 5: Solve for x
    x = 5,715,894,853.63/70,245.63
  6. Step 6: Final answer
    x = 81,370.11

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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.