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Finding the Fourth Proportional to 178,055.99, 245,717.98 and 97,491

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Solution

The fourth proportional to 178,055.99, 245,717.98 and 97,491 is: 134,537.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,055.99 : 245,717.98 = 97,491 : x
  2. Step 2: Convert to fraction form
    178,055.99/245,717.98 = 97,491/x
  3. Step 3: Cross multiply
    178,055.99x = 245,717.98 × 97,491
  4. Step 4: Simplify right side
    178,055.99x = 23,955,291,588.18
  5. Step 5: Solve for x
    x = 23,955,291,588.18/178,055.99
  6. Step 6: Final answer
    x = 134,537.97

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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.