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Finding the Fourth Proportional to 292,520.80, 438,827.58 and 112,599.94

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Solution

The fourth proportional to 292,520.80, 438,827.58 and 112,599.94 is: 168,917.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,520.80 : 438,827.58 = 112,599.94 : x
  2. Step 2: Convert to fraction form
    292,520.80/438,827.58 = 112,599.94/x
  3. Step 3: Cross multiply
    292,520.80x = 438,827.58 × 112,599.94
  4. Step 4: Simplify right side
    292,520.80x = 49,411,959,178.35
  5. Step 5: Solve for x
    x = 49,411,959,178.35/292,520.80
  6. Step 6: Final answer
    x = 168,917.76

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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.