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Finding the Fourth Proportional to 170,482.32, 255,577.68 and 65,376.72

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Solution

The fourth proportional to 170,482.32, 255,577.68 and 65,376.72 is: 98,009.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,482.32 : 255,577.68 = 65,376.72 : x
  2. Step 2: Convert to fraction form
    170,482.32/255,577.68 = 65,376.72/x
  3. Step 3: Cross multiply
    170,482.32x = 255,577.68 × 65,376.72
  4. Step 4: Simplify right side
    170,482.32x = 16,708,830,423.61
  5. Step 5: Solve for x
    x = 16,708,830,423.61/170,482.32
  6. Step 6: Final answer
    x = 98,009.17

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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.