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Finding the Fourth Proportional to 170,612.40, 255,937.80 and 52,282.80

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Solution

The fourth proportional to 170,612.40, 255,937.80 and 52,282.80 is: 78,430.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,612.40 : 255,937.80 = 52,282.80 : x
  2. Step 2: Convert to fraction form
    170,612.40/255,937.80 = 52,282.80/x
  3. Step 3: Cross multiply
    170,612.40x = 255,937.80 × 52,282.80
  4. Step 4: Simplify right side
    170,612.40x = 13,381,144,809.84
  5. Step 5: Solve for x
    x = 13,381,144,809.84/170,612.40
  6. Step 6: Final answer
    x = 78,430.08

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1.5x scale

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.