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Finding the Fourth Proportional to 273,210.04, 409,888.02 and 86,225.08

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Solution

The fourth proportional to 273,210.04, 409,888.02 and 86,225.08 is: 129,360.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,210.04 : 409,888.02 = 86,225.08 : x
  2. Step 2: Convert to fraction form
    273,210.04/409,888.02 = 86,225.08/x
  3. Step 3: Cross multiply
    273,210.04x = 409,888.02 × 86,225.08
  4. Step 4: Simplify right side
    273,210.04x = 35,342,627,315.54
  5. Step 5: Solve for x
    x = 35,342,627,315.54/273,210.04
  6. Step 6: Final answer
    x = 129,360.65

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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.