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Finding the Fourth Proportional to 195,612.80, 293,440.80 and 62,470.40

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Solution

The fourth proportional to 195,612.80, 293,440.80 and 62,470.40 is: 93,712.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,612.80 : 293,440.80 = 62,470.40 : x
  2. Step 2: Convert to fraction form
    195,612.80/293,440.80 = 62,470.40/x
  3. Step 3: Cross multiply
    195,612.80x = 293,440.80 × 62,470.40
  4. Step 4: Simplify right side
    195,612.80x = 18,331,364,152.32
  5. Step 5: Solve for x
    x = 18,331,364,152.32/195,612.80
  6. Step 6: Final answer
    x = 93,712.50

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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.