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Finding the Fourth Proportional to 247,061.61, 340,935.86 and 133,881.93

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Solution

The fourth proportional to 247,061.61, 340,935.86 and 133,881.93 is: 184,752.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,061.61 : 340,935.86 = 133,881.93 : x
  2. Step 2: Convert to fraction form
    247,061.61/340,935.86 = 133,881.93/x
  3. Step 3: Cross multiply
    247,061.61x = 340,935.86 × 133,881.93
  4. Step 4: Simplify right side
    247,061.61x = 45,645,151,277.71
  5. Step 5: Solve for x
    x = 45,645,151,277.71/247,061.61
  6. Step 6: Final answer
    x = 184,752.10

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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.