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Finding the Fourth Proportional to 115,501.52, 159,392.08 and 62,509.52

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Solution

The fourth proportional to 115,501.52, 159,392.08 and 62,509.52 is: 86,263.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,501.52 : 159,392.08 = 62,509.52 : x
  2. Step 2: Convert to fraction form
    115,501.52/159,392.08 = 62,509.52/x
  3. Step 3: Cross multiply
    115,501.52x = 159,392.08 × 62,509.52
  4. Step 4: Simplify right side
    115,501.52x = 9,963,522,412.60
  5. Step 5: Solve for x
    x = 9,963,522,412.60/115,501.52
  6. Step 6: Final answer
    x = 86,263.13

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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.