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Finding the Fourth Proportional to 99,095,351.40, 139,020,470.10 and 99,095,351.40

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Solution

The fourth proportional to 99,095,351.40, 139,020,470.10 and 99,095,351.40 is: 139,020,470.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,095,351.40 : 139,020,470.10 = 99,095,351.40 : x
  2. Step 2: Convert to fraction form
    99,095,351.40/139,020,470.10 = 99,095,351.40/x
  3. Step 3: Cross multiply
    99,095,351.40x = 139,020,470.10 × 99,095,351.40
  4. Step 4: Simplify right side
    99,095,351.40x = 13,776,282,336,352,694
  5. Step 5: Solve for x
    x = 13,776,282,336,352,694/99,095,351.40
  6. Step 6: Final answer
    x = 139,020,470.10

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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.