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Finding the Fourth Proportional to 73,758,907.65, 103,413,636.15 and 73,758,907.65

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Solution

The fourth proportional to 73,758,907.65, 103,413,636.15 and 73,758,907.65 is: 103,413,636.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,758,907.65 : 103,413,636.15 = 73,758,907.65 : x
  2. Step 2: Convert to fraction form
    73,758,907.65/103,413,636.15 = 73,758,907.65/x
  3. Step 3: Cross multiply
    73,758,907.65x = 103,413,636.15 × 73,758,907.65
  4. Step 4: Simplify right side
    73,758,907.65x = 7,627,676,838,538,553
  5. Step 5: Solve for x
    x = 7,627,676,838,538,553/73,758,907.65
  6. Step 6: Final answer
    x = 103,413,636.15

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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.