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Finding the Fourth Proportional to 292,963.91, 439,445.86 and 93,345.48

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Solution

The fourth proportional to 292,963.91, 439,445.86 and 93,345.48 is: 140,018.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,963.91 : 439,445.86 = 93,345.48 : x
  2. Step 2: Convert to fraction form
    292,963.91/439,445.86 = 93,345.48/x
  3. Step 3: Cross multiply
    292,963.91x = 439,445.86 × 93,345.48
  4. Step 4: Simplify right side
    292,963.91x = 41,020,284,502.35
  5. Step 5: Solve for x
    x = 41,020,284,502.35/292,963.91
  6. Step 6: Final answer
    x = 140,018.22

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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.