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Finding the Fourth Proportional to 224,940, 310,417.74 and 124,338

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Solution

The fourth proportional to 224,940, 310,417.74 and 124,338 is: 171,586.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,940 : 310,417.74 = 124,338 : x
  2. Step 2: Convert to fraction form
    224,940/310,417.74 = 124,338/x
  3. Step 3: Cross multiply
    224,940x = 310,417.74 × 124,338
  4. Step 4: Simplify right side
    224,940x = 38,596,720,956.12
  5. Step 5: Solve for x
    x = 38,596,720,956.12/224,940
  6. Step 6: Final answer
    x = 171,586.74

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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.