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Finding the Fourth Proportional to 103,353.36, 142,630.32 and 58,034.92

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Solution

The fourth proportional to 103,353.36, 142,630.32 and 58,034.92 is: 80,089.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,353.36 : 142,630.32 = 58,034.92 : x
  2. Step 2: Convert to fraction form
    103,353.36/142,630.32 = 58,034.92/x
  3. Step 3: Cross multiply
    103,353.36x = 142,630.32 × 58,034.92
  4. Step 4: Simplify right side
    103,353.36x = 8,277,539,210.77
  5. Step 5: Solve for x
    x = 8,277,539,210.77/103,353.36
  6. Step 6: Final answer
    x = 80,089.70

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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.