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Finding the Fourth Proportional to 292,760.04, 438,801.20 and 134,656.68

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Solution

The fourth proportional to 292,760.04, 438,801.20 and 134,656.68 is: 201,829.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,760.04 : 438,801.20 = 134,656.68 : x
  2. Step 2: Convert to fraction form
    292,760.04/438,801.20 = 134,656.68/x
  3. Step 3: Cross multiply
    292,760.04x = 438,801.20 × 134,656.68
  4. Step 4: Simplify right side
    292,760.04x = 59,087,510,578.01
  5. Step 5: Solve for x
    x = 59,087,510,578.01/292,760.04
  6. Step 6: Final answer
    x = 201,829.16

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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.