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Finding the Fourth Proportional to 140,000,719.30, 195,547,510.70 and 140,000,719.30

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Solution

The fourth proportional to 140,000,719.30, 195,547,510.70 and 140,000,719.30 is: 195,547,510.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,000,719.30 : 195,547,510.70 = 140,000,719.30 : x
  2. Step 2: Convert to fraction form
    140,000,719.30/195,547,510.70 = 140,000,719.30/x
  3. Step 3: Cross multiply
    140,000,719.30x = 195,547,510.70 × 140,000,719.30
  4. Step 4: Simplify right side
    140,000,719.30x = 27,376,792,155,324,448
  5. Step 5: Solve for x
    x = 27,376,792,155,324,448/140,000,719.30
  6. Step 6: Final answer
    x = 195,547,510.70

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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.