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Finding the Fourth Proportional to 154,590.91, 232,013.54 and 65,944.51

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Solution

The fourth proportional to 154,590.91, 232,013.54 and 65,944.51 is: 98,971.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,590.91 : 232,013.54 = 65,944.51 : x
  2. Step 2: Convert to fraction form
    154,590.91/232,013.54 = 65,944.51/x
  3. Step 3: Cross multiply
    154,590.91x = 232,013.54 × 65,944.51
  4. Step 4: Simplify right side
    154,590.91x = 15,300,017,718.88
  5. Step 5: Solve for x
    x = 15,300,017,718.88/154,590.91
  6. Step 6: Final answer
    x = 98,971.01

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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.