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Finding the Fourth Proportional to 243,529.80, 335,853.51 and 152,894.22

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Solution

The fourth proportional to 243,529.80, 335,853.51 and 152,894.22 is: 210,857.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,529.80 : 335,853.51 = 152,894.22 : x
  2. Step 2: Convert to fraction form
    243,529.80/335,853.51 = 152,894.22/x
  3. Step 3: Cross multiply
    243,529.80x = 335,853.51 × 152,894.22
  4. Step 4: Simplify right side
    243,529.80x = 51,350,060,445.71
  5. Step 5: Solve for x
    x = 51,350,060,445.71/243,529.80
  6. Step 6: Final answer
    x = 210,857.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.