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Finding the Fourth Proportional to 224,681.76, 310,062.95 and 127,880.87

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Solution

The fourth proportional to 224,681.76, 310,062.95 and 127,880.87 is: 176,476.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,681.76 : 310,062.95 = 127,880.87 : x
  2. Step 2: Convert to fraction form
    224,681.76/310,062.95 = 127,880.87/x
  3. Step 3: Cross multiply
    224,681.76x = 310,062.95 × 127,880.87
  4. Step 4: Simplify right side
    224,681.76x = 39,651,117,611.05
  5. Step 5: Solve for x
    x = 39,651,117,611.05/224,681.76
  6. Step 6: Final answer
    x = 176,476.80

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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.