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Finding the Fourth Proportional to 168,707.15, 253,009.63 and 88,702.01

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Solution

The fourth proportional to 168,707.15, 253,009.63 and 88,702.01 is: 133,026.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,707.15 : 253,009.63 = 88,702.01 : x
  2. Step 2: Convert to fraction form
    168,707.15/253,009.63 = 88,702.01/x
  3. Step 3: Cross multiply
    168,707.15x = 253,009.63 × 88,702.01
  4. Step 4: Simplify right side
    168,707.15x = 22,442,463,486.04
  5. Step 5: Solve for x
    x = 22,442,463,486.04/168,707.15
  6. Step 6: Final answer
    x = 133,026.15

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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.