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Finding the Fourth Proportional to 224,689.01, 310,072.88 and 127,888.11

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Solution

The fourth proportional to 224,689.01, 310,072.88 and 127,888.11 is: 176,486.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,689.01 : 310,072.88 = 127,888.11 : x
  2. Step 2: Convert to fraction form
    224,689.01/310,072.88 = 127,888.11/x
  3. Step 3: Cross multiply
    224,689.01x = 310,072.88 × 127,888.11
  4. Step 4: Simplify right side
    224,689.01x = 39,654,634,905.18
  5. Step 5: Solve for x
    x = 39,654,634,905.18/224,689.01
  6. Step 6: Final answer
    x = 176,486.76

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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.