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Finding the Fourth Proportional to 292,551.52, 438,827.30 and 70,935.52

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Solution

The fourth proportional to 292,551.52, 438,827.30 and 70,935.52 is: 106,403.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,551.52 : 438,827.30 = 70,935.52 : x
  2. Step 2: Convert to fraction form
    292,551.52/438,827.30 = 70,935.52/x
  3. Step 3: Cross multiply
    292,551.52x = 438,827.30 × 70,935.52
  4. Step 4: Simplify right side
    292,551.52x = 31,128,442,715.70
  5. Step 5: Solve for x
    x = 31,128,442,715.70/292,551.52
  6. Step 6: Final answer
    x = 106,403.28

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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.