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Finding the Fourth Proportional to 103,590.92, 154,630.13 and 88,894.28

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Solution

The fourth proportional to 103,590.92, 154,630.13 and 88,894.28 is: 132,692.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,590.92 : 154,630.13 = 88,894.28 : x
  2. Step 2: Convert to fraction form
    103,590.92/154,630.13 = 88,894.28/x
  3. Step 3: Cross multiply
    103,590.92x = 154,630.13 × 88,894.28
  4. Step 4: Simplify right side
    103,590.92x = 13,745,734,014.76
  5. Step 5: Solve for x
    x = 13,745,734,014.76/103,590.92
  6. Step 6: Final answer
    x = 132,692.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.