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Finding the Fourth Proportional to 142,700,479.65, 199,350,204.30 and 142,700,479.65

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Solution

The fourth proportional to 142,700,479.65, 199,350,204.30 and 142,700,479.65 is: 199,350,204.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,700,479.65 : 199,350,204.30 = 142,700,479.65 : x
  2. Step 2: Convert to fraction form
    142,700,479.65/199,350,204.30 = 142,700,479.65/x
  3. Step 3: Cross multiply
    142,700,479.65x = 199,350,204.30 × 142,700,479.65
  4. Step 4: Simplify right side
    142,700,479.65x = 28,447,369,771,935,496
  5. Step 5: Solve for x
    x = 28,447,369,771,935,496/142,700,479.65
  6. Step 6: Final answer
    x = 199,350,204.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.