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Finding the Fourth Proportional to 114,854.40, 158,487.84 and 64,552.32

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Solution

The fourth proportional to 114,854.40, 158,487.84 and 64,552.32 is: 89,075.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,854.40 : 158,487.84 = 64,552.32 : x
  2. Step 2: Convert to fraction form
    114,854.40/158,487.84 = 64,552.32/x
  3. Step 3: Cross multiply
    114,854.40x = 158,487.84 × 64,552.32
  4. Step 4: Simplify right side
    114,854.40x = 10,230,757,763.79
  5. Step 5: Solve for x
    x = 10,230,757,763.79/114,854.40
  6. Step 6: Final answer
    x = 89,075.89

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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.