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Finding the Fourth Proportional to 292,048.04, 438,115 and 92,323.10

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Solution

The fourth proportional to 292,048.04, 438,115 and 92,323.10 is: 138,498.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,048.04 : 438,115 = 92,323.10 : x
  2. Step 2: Convert to fraction form
    292,048.04/438,115 = 92,323.10/x
  3. Step 3: Cross multiply
    292,048.04x = 438,115 × 92,323.10
  4. Step 4: Simplify right side
    292,048.04x = 40,448,134,956.50
  5. Step 5: Solve for x
    x = 40,448,134,956.50/292,048.04
  6. Step 6: Final answer
    x = 138,498.22

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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.