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Finding the Fourth Proportional to 177,900.71, 245,501.48 and 97,328.89

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Solution

The fourth proportional to 177,900.71, 245,501.48 and 97,328.89 is: 134,313.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,900.71 : 245,501.48 = 97,328.89 : x
  2. Step 2: Convert to fraction form
    177,900.71/245,501.48 = 97,328.89/x
  3. Step 3: Cross multiply
    177,900.71x = 245,501.48 × 97,328.89
  4. Step 4: Simplify right side
    177,900.71x = 23,894,387,091.96
  5. Step 5: Solve for x
    x = 23,894,387,091.96/177,900.71
  6. Step 6: Final answer
    x = 134,313.05

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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.