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Finding the Fourth Proportional to 115,473.63, 159,350.51 and 64,484.94

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Solution

The fourth proportional to 115,473.63, 159,350.51 and 64,484.94 is: 88,987.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,473.63 : 159,350.51 = 64,484.94 : x
  2. Step 2: Convert to fraction form
    115,473.63/159,350.51 = 64,484.94/x
  3. Step 3: Cross multiply
    115,473.63x = 159,350.51 × 64,484.94
  4. Step 4: Simplify right side
    115,473.63x = 10,275,708,472.37
  5. Step 5: Solve for x
    x = 10,275,708,472.37/115,473.63
  6. Step 6: Final answer
    x = 88,987.49

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1.5x scale

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.