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Finding the Fourth Proportional to 64,151.72, 88,529.70 and 35,856.80

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Solution

The fourth proportional to 64,151.72, 88,529.70 and 35,856.80 is: 49,482.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,151.72 : 88,529.70 = 35,856.80 : x
  2. Step 2: Convert to fraction form
    64,151.72/88,529.70 = 35,856.80/x
  3. Step 3: Cross multiply
    64,151.72x = 88,529.70 × 35,856.80
  4. Step 4: Simplify right side
    64,151.72x = 3,174,391,746.96
  5. Step 5: Solve for x
    x = 3,174,391,746.96/64,151.72
  6. Step 6: Final answer
    x = 49,482.57

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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.