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Finding the Fourth Proportional to 115,470.77, 159,335.51 and 64,486.26

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Solution

The fourth proportional to 115,470.77, 159,335.51 and 64,486.26 is: 88,983.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,470.77 : 159,335.51 = 64,486.26 : x
  2. Step 2: Convert to fraction form
    115,470.77/159,335.51 = 64,486.26/x
  3. Step 3: Cross multiply
    115,470.77x = 159,335.51 × 64,486.26
  4. Step 4: Simplify right side
    115,470.77x = 10,274,950,802.66
  5. Step 5: Solve for x
    x = 10,274,950,802.66/115,470.77
  6. Step 6: Final answer
    x = 88,983.14

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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.