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Finding the Fourth Proportional to 232,035.80, 348,053.70 and 121,213.40

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Solution

The fourth proportional to 232,035.80, 348,053.70 and 121,213.40 is: 181,820.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,035.80 : 348,053.70 = 121,213.40 : x
  2. Step 2: Convert to fraction form
    232,035.80/348,053.70 = 121,213.40/x
  3. Step 3: Cross multiply
    232,035.80x = 348,053.70 × 121,213.40
  4. Step 4: Simplify right side
    232,035.80x = 42,188,772,359.58
  5. Step 5: Solve for x
    x = 42,188,772,359.58/232,035.80
  6. Step 6: Final answer
    x = 181,820.10

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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.