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Finding the Fourth Proportional to 94,474.87, 130,384.52 and 70,560.02

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Solution

The fourth proportional to 94,474.87, 130,384.52 and 70,560.02 is: 97,379.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,474.87 : 130,384.52 = 70,560.02 : x
  2. Step 2: Convert to fraction form
    94,474.87/130,384.52 = 70,560.02/x
  3. Step 3: Cross multiply
    94,474.87x = 130,384.52 × 70,560.02
  4. Step 4: Simplify right side
    94,474.87x = 9,199,934,338.89
  5. Step 5: Solve for x
    x = 9,199,934,338.89/94,474.87
  6. Step 6: Final answer
    x = 97,379.70

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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.