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Finding the Fourth Proportional to 178,188.80, 245,900.46 and 97,616.20

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Solution

The fourth proportional to 178,188.80, 245,900.46 and 97,616.20 is: 134,710.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,188.80 : 245,900.46 = 97,616.20 : x
  2. Step 2: Convert to fraction form
    178,188.80/245,900.46 = 97,616.20/x
  3. Step 3: Cross multiply
    178,188.80x = 245,900.46 × 97,616.20
  4. Step 4: Simplify right side
    178,188.80x = 24,003,868,483.45
  5. Step 5: Solve for x
    x = 24,003,868,483.45/178,188.80
  6. Step 6: Final answer
    x = 134,710.31

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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.