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Finding the Fourth Proportional to 74,888,043.10, 112,332,064.65 and 74,888,043.10

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Solution

The fourth proportional to 74,888,043.10, 112,332,064.65 and 74,888,043.10 is: 112,332,064.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,888,043.10 : 112,332,064.65 = 74,888,043.10 : x
  2. Step 2: Convert to fraction form
    74,888,043.10/112,332,064.65 = 74,888,043.10/x
  3. Step 3: Cross multiply
    74,888,043.10x = 112,332,064.65 × 74,888,043.10
  4. Step 4: Simplify right side
    74,888,043.10x = 8,412,328,499,021,186
  5. Step 5: Solve for x
    x = 8,412,328,499,021,186/74,888,043.10
  6. Step 6: Final answer
    x = 112,332,064.65

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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.