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Finding the Fourth Proportional to 130,474,758.80, 195,863,251.80 and 70,008,582.80

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Solution

The fourth proportional to 130,474,758.80, 195,863,251.80 and 70,008,582.80 is: 105,093,956.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,474,758.80 : 195,863,251.80 = 70,008,582.80 : x
  2. Step 2: Convert to fraction form
    130,474,758.80/195,863,251.80 = 70,008,582.80/x
  3. Step 3: Cross multiply
    130,474,758.80x = 195,863,251.80 × 70,008,582.80
  4. Step 4: Simplify right side
    130,474,758.80x = 13,712,108,681,117,550
  5. Step 5: Solve for x
    x = 13,712,108,681,117,550/130,474,758.80
  6. Step 6: Final answer
    x = 105,093,956.92

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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.