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Finding the Fourth Proportional to 195,434.80, 293,411.40 and 156,036.40

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Solution

The fourth proportional to 195,434.80, 293,411.40 and 156,036.40 is: 234,261.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,434.80 : 293,411.40 = 156,036.40 : x
  2. Step 2: Convert to fraction form
    195,434.80/293,411.40 = 156,036.40/x
  3. Step 3: Cross multiply
    195,434.80x = 293,411.40 × 156,036.40
  4. Step 4: Simplify right side
    195,434.80x = 45,782,858,574.96
  5. Step 5: Solve for x
    x = 45,782,858,574.96/195,434.80
  6. Step 6: Final answer
    x = 234,261.55

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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.