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Finding the Fourth Proportional to 261,230.64, 360,502.56 and 148,050.96

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Solution

The fourth proportional to 261,230.64, 360,502.56 and 148,050.96 is: 204,312.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,230.64 : 360,502.56 = 148,050.96 : x
  2. Step 2: Convert to fraction form
    261,230.64/360,502.56 = 148,050.96/x
  3. Step 3: Cross multiply
    261,230.64x = 360,502.56 × 148,050.96
  4. Step 4: Simplify right side
    261,230.64x = 53,372,750,090.46
  5. Step 5: Solve for x
    x = 53,372,750,090.46/261,230.64
  6. Step 6: Final answer
    x = 204,312.75

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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.