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Finding the Fourth Proportional to 292,831.04, 404,106.80 and 158,695.04

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Solution

The fourth proportional to 292,831.04, 404,106.80 and 158,695.04 is: 218,999.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,831.04 : 404,106.80 = 158,695.04 : x
  2. Step 2: Convert to fraction form
    292,831.04/404,106.80 = 158,695.04/x
  3. Step 3: Cross multiply
    292,831.04x = 404,106.80 × 158,695.04
  4. Step 4: Simplify right side
    292,831.04x = 64,129,744,790.27
  5. Step 5: Solve for x
    x = 64,129,744,790.27/292,831.04
  6. Step 6: Final answer
    x = 218,999.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.