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Finding the Fourth Proportional to 189,482.32, 284,161.91 and 63,088.61

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Solution

The fourth proportional to 189,482.32, 284,161.91 and 63,088.61 is: 94,612.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,482.32 : 284,161.91 = 63,088.61 : x
  2. Step 2: Convert to fraction form
    189,482.32/284,161.91 = 63,088.61/x
  3. Step 3: Cross multiply
    189,482.32x = 284,161.91 × 63,088.61
  4. Step 4: Simplify right side
    189,482.32x = 17,927,378,180.59
  5. Step 5: Solve for x
    x = 17,927,378,180.59/189,482.32
  6. Step 6: Final answer
    x = 94,612.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.