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Finding the Fourth Proportional to 273,261.04, 409,903.85 and 83,707.57

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Solution

The fourth proportional to 273,261.04, 409,903.85 and 83,707.57 is: 125,565.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,261.04 : 409,903.85 = 83,707.57 : x
  2. Step 2: Convert to fraction form
    273,261.04/409,903.85 = 83,707.57/x
  3. Step 3: Cross multiply
    273,261.04x = 409,903.85 × 83,707.57
  4. Step 4: Simplify right side
    273,261.04x = 34,312,054,401.65
  5. Step 5: Solve for x
    x = 34,312,054,401.65/273,261.04
  6. Step 6: Final answer
    x = 125,565.12

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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.