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Finding the Fourth Proportional to 250,881.65, 346,204.04 and 148,911.56

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Solution

The fourth proportional to 250,881.65, 346,204.04 and 148,911.56 is: 205,490.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,881.65 : 346,204.04 = 148,911.56 : x
  2. Step 2: Convert to fraction form
    250,881.65/346,204.04 = 148,911.56/x
  3. Step 3: Cross multiply
    250,881.65x = 346,204.04 × 148,911.56
  4. Step 4: Simplify right side
    250,881.65x = 51,553,781,199.12
  5. Step 5: Solve for x
    x = 51,553,781,199.12/250,881.65
  6. Step 6: Final answer
    x = 205,490.45

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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.