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Finding the Fourth Proportional to 117,316.60, 176,061.30 and 47,246.20

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Solution

The fourth proportional to 117,316.60, 176,061.30 and 47,246.20 is: 70,904.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,316.60 : 176,061.30 = 47,246.20 : x
  2. Step 2: Convert to fraction form
    117,316.60/176,061.30 = 47,246.20/x
  3. Step 3: Cross multiply
    117,316.60x = 176,061.30 × 47,246.20
  4. Step 4: Simplify right side
    117,316.60x = 8,318,227,392.06
  5. Step 5: Solve for x
    x = 8,318,227,392.06/117,316.60
  6. Step 6: Final answer
    x = 70,904.10

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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.