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Finding the Fourth Proportional to 178,461.49, 246,274.90 and 97,888.72

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Solution

The fourth proportional to 178,461.49, 246,274.90 and 97,888.72 is: 135,085.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,461.49 : 246,274.90 = 97,888.72 : x
  2. Step 2: Convert to fraction form
    178,461.49/246,274.90 = 97,888.72/x
  3. Step 3: Cross multiply
    178,461.49x = 246,274.90 × 97,888.72
  4. Step 4: Simplify right side
    178,461.49x = 24,107,534,729.13
  5. Step 5: Solve for x
    x = 24,107,534,729.13/178,461.49
  6. Step 6: Final answer
    x = 135,085.36

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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.