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Finding the Fourth Proportional to 261,064.53, 360,276.39 and 147,887.28

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Solution

The fourth proportional to 261,064.53, 360,276.39 and 147,887.28 is: 204,088.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,064.53 : 360,276.39 = 147,887.28 : x
  2. Step 2: Convert to fraction form
    261,064.53/360,276.39 = 147,887.28/x
  3. Step 3: Cross multiply
    261,064.53x = 360,276.39 × 147,887.28
  4. Step 4: Simplify right side
    261,064.53x = 53,280,295,365.32
  5. Step 5: Solve for x
    x = 53,280,295,365.32/261,064.53
  6. Step 6: Final answer
    x = 204,088.60

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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.