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Finding the Fourth Proportional to 158,713.66, 219,024.24 and 87,094.90

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Solution

The fourth proportional to 158,713.66, 219,024.24 and 87,094.90 is: 120,190.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,713.66 : 219,024.24 = 87,094.90 : x
  2. Step 2: Convert to fraction form
    158,713.66/219,024.24 = 87,094.90/x
  3. Step 3: Cross multiply
    158,713.66x = 219,024.24 × 87,094.90
  4. Step 4: Simplify right side
    158,713.66x = 19,075,894,280.38
  5. Step 5: Solve for x
    x = 19,075,894,280.38/158,713.66
  6. Step 6: Final answer
    x = 120,190.63

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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.