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Finding the Fourth Proportional to 170,159.94, 255,278.32 and 56,307.46

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Solution

The fourth proportional to 170,159.94, 255,278.32 and 56,307.46 is: 84,473.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,159.94 : 255,278.32 = 56,307.46 : x
  2. Step 2: Convert to fraction form
    170,159.94/255,278.32 = 56,307.46/x
  3. Step 3: Cross multiply
    170,159.94x = 255,278.32 × 56,307.46
  4. Step 4: Simplify right side
    170,159.94x = 14,374,073,792.27
  5. Step 5: Solve for x
    x = 14,374,073,792.27/170,159.94
  6. Step 6: Final answer
    x = 84,473.90

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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.