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Finding the Fourth Proportional to 98,577.70, 147,769.35 and 48,616.90

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Solution

The fourth proportional to 98,577.70, 147,769.35 and 48,616.90 is: 72,877.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,577.70 : 147,769.35 = 48,616.90 : x
  2. Step 2: Convert to fraction form
    98,577.70/147,769.35 = 48,616.90/x
  3. Step 3: Cross multiply
    98,577.70x = 147,769.35 × 48,616.90
  4. Step 4: Simplify right side
    98,577.70x = 7,184,087,712.02
  5. Step 5: Solve for x
    x = 7,184,087,712.02/98,577.70
  6. Step 6: Final answer
    x = 72,877.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.