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Finding the Fourth Proportional to 176,476.50, 243,537.57 and 96,988.50

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Solution

The fourth proportional to 176,476.50, 243,537.57 and 96,988.50 is: 133,844.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,476.50 : 243,537.57 = 96,988.50 : x
  2. Step 2: Convert to fraction form
    176,476.50/243,537.57 = 96,988.50/x
  3. Step 3: Cross multiply
    176,476.50x = 243,537.57 × 96,988.50
  4. Step 4: Simplify right side
    176,476.50x = 23,620,343,607.95
  5. Step 5: Solve for x
    x = 23,620,343,607.95/176,476.50
  6. Step 6: Final answer
    x = 133,844.13

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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.