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Finding the Fourth Proportional to 184,864.65, 255,113.22 and 99,981.71

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Solution

The fourth proportional to 184,864.65, 255,113.22 and 99,981.71 is: 137,974.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,864.65 : 255,113.22 = 99,981.71 : x
  2. Step 2: Convert to fraction form
    184,864.65/255,113.22 = 99,981.71/x
  3. Step 3: Cross multiply
    184,864.65x = 255,113.22 × 99,981.71
  4. Step 4: Simplify right side
    184,864.65x = 25,506,656,117.08
  5. Step 5: Solve for x
    x = 25,506,656,117.08/184,864.65
  6. Step 6: Final answer
    x = 137,974.76

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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.