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Finding the Fourth Proportional to 117,047.66, 175,466.03 and 42,115.10

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Solution

The fourth proportional to 117,047.66, 175,466.03 and 42,115.10 is: 63,134.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,047.66 : 175,466.03 = 42,115.10 : x
  2. Step 2: Convert to fraction form
    117,047.66/175,466.03 = 42,115.10/x
  3. Step 3: Cross multiply
    117,047.66x = 175,466.03 × 42,115.10
  4. Step 4: Simplify right side
    117,047.66x = 7,389,768,312.15
  5. Step 5: Solve for x
    x = 7,389,768,312.15/117,047.66
  6. Step 6: Final answer
    x = 63,134.70

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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.