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Finding the Fourth Proportional to 64,543,235.04, 89,069,662.96 and 35,569,859.04

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Solution

The fourth proportional to 64,543,235.04, 89,069,662.96 and 35,569,859.04 is: 49,086,404.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,543,235.04 : 89,069,662.96 = 35,569,859.04 : x
  2. Step 2: Convert to fraction form
    64,543,235.04/89,069,662.96 = 35,569,859.04/x
  3. Step 3: Cross multiply
    64,543,235.04x = 89,069,662.96 × 35,569,859.04
  4. Step 4: Simplify right side
    64,543,235.04x = 3,168,195,356,227,509
  5. Step 5: Solve for x
    x = 3,168,195,356,227,509/64,543,235.04
  6. Step 6: Final answer
    x = 49,086,404.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.