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Finding the Fourth Proportional to 61,173.84, 84,330.54 and 43,237.20

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Solution

The fourth proportional to 61,173.84, 84,330.54 and 43,237.20 is: 59,604.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,173.84 : 84,330.54 = 43,237.20 : x
  2. Step 2: Convert to fraction form
    61,173.84/84,330.54 = 43,237.20/x
  3. Step 3: Cross multiply
    61,173.84x = 84,330.54 × 43,237.20
  4. Step 4: Simplify right side
    61,173.84x = 3,646,216,424.09
  5. Step 5: Solve for x
    x = 3,646,216,424.09/61,173.84
  6. Step 6: Final answer
    x = 59,604.18

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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.