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Finding the Fourth Proportional to 224,710.50, 310,120.20 and 124,127.94

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Solution

The fourth proportional to 224,710.50, 310,120.20 and 124,127.94 is: 171,307.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,710.50 : 310,120.20 = 124,127.94 : x
  2. Step 2: Convert to fraction form
    224,710.50/310,120.20 = 124,127.94/x
  3. Step 3: Cross multiply
    224,710.50x = 310,120.20 × 124,127.94
  4. Step 4: Simplify right side
    224,710.50x = 38,494,581,578.39
  5. Step 5: Solve for x
    x = 38,494,581,578.39/224,710.50
  6. Step 6: Final answer
    x = 171,307.44

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1.5x scale

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.