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Finding the Fourth Proportional to 172,647.11, 238,264.97 and 104,666.91

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Solution

The fourth proportional to 172,647.11, 238,264.97 and 104,666.91 is: 144,447.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,647.11 : 238,264.97 = 104,666.91 : x
  2. Step 2: Convert to fraction form
    172,647.11/238,264.97 = 104,666.91/x
  3. Step 3: Cross multiply
    172,647.11x = 238,264.97 × 104,666.91
  4. Step 4: Simplify right side
    172,647.11x = 24,938,457,647.81
  5. Step 5: Solve for x
    x = 24,938,457,647.81/172,647.11
  6. Step 6: Final answer
    x = 144,447.59

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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.