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Finding the Fourth Proportional to 158,339.84, 218,434.20 and 93,768.32

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Solution

The fourth proportional to 158,339.84, 218,434.20 and 93,768.32 is: 129,356.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,339.84 : 218,434.20 = 93,768.32 : x
  2. Step 2: Convert to fraction form
    158,339.84/218,434.20 = 93,768.32/x
  3. Step 3: Cross multiply
    158,339.84x = 218,434.20 × 93,768.32
  4. Step 4: Simplify right side
    158,339.84x = 20,482,207,964.54
  5. Step 5: Solve for x
    x = 20,482,207,964.54/158,339.84
  6. Step 6: Final answer
    x = 129,356.00

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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.