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Finding the Fourth Proportional to 173,111.34, 259,700.68 and 66,487.50

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Solution

The fourth proportional to 173,111.34, 259,700.68 and 66,487.50 is: 99,744.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,111.34 : 259,700.68 = 66,487.50 : x
  2. Step 2: Convert to fraction form
    173,111.34/259,700.68 = 66,487.50/x
  3. Step 3: Cross multiply
    173,111.34x = 259,700.68 × 66,487.50
  4. Step 4: Simplify right side
    173,111.34x = 17,266,849,044.61
  5. Step 5: Solve for x
    x = 17,266,849,044.61/173,111.34
  6. Step 6: Final answer
    x = 99,744.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.