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Finding the Fourth Proportional to 70,937.77, 97,898.98 and 43,354.28

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Solution

The fourth proportional to 70,937.77, 97,898.98 and 43,354.28 is: 59,831.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,937.77 : 97,898.98 = 43,354.28 : x
  2. Step 2: Convert to fraction form
    70,937.77/97,898.98 = 43,354.28/x
  3. Step 3: Cross multiply
    70,937.77x = 97,898.98 × 43,354.28
  4. Step 4: Simplify right side
    70,937.77x = 4,244,340,112.03
  5. Step 5: Solve for x
    x = 4,244,340,112.03/70,937.77
  6. Step 6: Final answer
    x = 59,831.88

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1.5x scale

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.