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Finding the Fourth Proportional to 214,798.66, 296,475.73 and 124,206.86

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Solution

The fourth proportional to 214,798.66, 296,475.73 and 124,206.86 is: 171,436.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,798.66 : 296,475.73 = 124,206.86 : x
  2. Step 2: Convert to fraction form
    214,798.66/296,475.73 = 124,206.86/x
  3. Step 3: Cross multiply
    214,798.66x = 296,475.73 × 124,206.86
  4. Step 4: Simplify right side
    214,798.66x = 36,824,319,920.18
  5. Step 5: Solve for x
    x = 36,824,319,920.18/214,798.66
  6. Step 6: Final answer
    x = 171,436.45

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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.