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Finding the Fourth Proportional to 178,031.78, 245,681.94 and 97,459.46

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Solution

The fourth proportional to 178,031.78, 245,681.94 and 97,459.46 is: 134,493.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,031.78 : 245,681.94 = 97,459.46 : x
  2. Step 2: Convert to fraction form
    178,031.78/245,681.94 = 97,459.46/x
  3. Step 3: Cross multiply
    178,031.78x = 245,681.94 × 97,459.46
  4. Step 4: Simplify right side
    178,031.78x = 23,944,029,204.15
  5. Step 5: Solve for x
    x = 23,944,029,204.15/178,031.78
  6. Step 6: Final answer
    x = 134,493.01

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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.