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Finding the Fourth Proportional to 169,686.90, 254,368.35 and 63,042.30

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Solution

The fourth proportional to 169,686.90, 254,368.35 and 63,042.30 is: 94,503.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,686.90 : 254,368.35 = 63,042.30 : x
  2. Step 2: Convert to fraction form
    169,686.90/254,368.35 = 63,042.30/x
  3. Step 3: Cross multiply
    169,686.90x = 254,368.35 × 63,042.30
  4. Step 4: Simplify right side
    169,686.90x = 16,035,965,831.21
  5. Step 5: Solve for x
    x = 16,035,965,831.21/169,686.90
  6. Step 6: Final answer
    x = 94,503.26

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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.