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Finding the Fourth Proportional to 294,502.06, 441,132.45 and 134,712.55

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Solution

The fourth proportional to 294,502.06, 441,132.45 and 134,712.55 is: 201,784.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,502.06 : 441,132.45 = 134,712.55 : x
  2. Step 2: Convert to fraction form
    294,502.06/441,132.45 = 134,712.55/x
  3. Step 3: Cross multiply
    294,502.06x = 441,132.45 × 134,712.55
  4. Step 4: Simplify right side
    294,502.06x = 59,426,077,227.25
  5. Step 5: Solve for x
    x = 59,426,077,227.25/294,502.06
  6. Step 6: Final answer
    x = 201,784.93

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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.