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Finding the Fourth Proportional to 272,729.16, 409,117.08 and 83,232.16

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Solution

The fourth proportional to 272,729.16, 409,117.08 and 83,232.16 is: 124,855.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,729.16 : 409,117.08 = 83,232.16 : x
  2. Step 2: Convert to fraction form
    272,729.16/409,117.08 = 83,232.16/x
  3. Step 3: Cross multiply
    272,729.16x = 409,117.08 × 83,232.16
  4. Step 4: Simplify right side
    272,729.16x = 34,051,698,261.29
  5. Step 5: Solve for x
    x = 34,051,698,261.29/272,729.16
  6. Step 6: Final answer
    x = 124,855.36

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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.