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Finding the Fourth Proportional to 94,699.36, 130,707.48 and 54,436.48

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Solution

The fourth proportional to 94,699.36, 130,707.48 and 54,436.48 is: 75,135.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,699.36 : 130,707.48 = 54,436.48 : x
  2. Step 2: Convert to fraction form
    94,699.36/130,707.48 = 54,436.48/x
  3. Step 3: Cross multiply
    94,699.36x = 130,707.48 × 54,436.48
  4. Step 4: Simplify right side
    94,699.36x = 7,115,254,263.20
  5. Step 5: Solve for x
    x = 7,115,254,263.20/94,699.36
  6. Step 6: Final answer
    x = 75,135.19

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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.