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Finding the Fourth Proportional to 170,482.32, 255,733.72 and 52,154.68

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Solution

The fourth proportional to 170,482.32, 255,733.72 and 52,154.68 is: 78,235.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,482.32 : 255,733.72 = 52,154.68 : x
  2. Step 2: Convert to fraction form
    170,482.32/255,733.72 = 52,154.68/x
  3. Step 3: Cross multiply
    170,482.32x = 255,733.72 × 52,154.68
  4. Step 4: Simplify right side
    170,482.32x = 13,337,710,071.04
  5. Step 5: Solve for x
    x = 13,337,710,071.04/170,482.32
  6. Step 6: Final answer
    x = 78,235.15

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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.