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Finding the Fourth Proportional to 10,109,495.65, 14,178,488.15 and 10,109,495.65

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Solution

The fourth proportional to 10,109,495.65, 14,178,488.15 and 10,109,495.65 is: 14,178,488.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109,495.65 : 14,178,488.15 = 10,109,495.65 : x
  2. Step 2: Convert to fraction form
    10,109,495.65/14,178,488.15 = 10,109,495.65/x
  3. Step 3: Cross multiply
    10,109,495.65x = 14,178,488.15 × 10,109,495.65
  4. Step 4: Simplify right side
    10,109,495.65x = 143,337,364,276,001.56
  5. Step 5: Solve for x
    x = 143,337,364,276,001.56/10,109,495.65
  6. Step 6: Final answer
    x = 14,178,488.15

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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.