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Finding the Fourth Proportional to 115,590, 159,514.38 and 62,598

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Solution

The fourth proportional to 115,590, 159,514.38 and 62,598 is: 86,385.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,590 : 159,514.38 = 62,598 : x
  2. Step 2: Convert to fraction form
    115,590/159,514.38 = 62,598/x
  3. Step 3: Cross multiply
    115,590x = 159,514.38 × 62,598
  4. Step 4: Simplify right side
    115,590x = 9,985,281,159.24
  5. Step 5: Solve for x
    x = 9,985,281,159.24/115,590
  6. Step 6: Final answer
    x = 86,385.34

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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.