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Finding the Fourth Proportional to 258,903.02, 357,200.55 and 151,396.92

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Solution

The fourth proportional to 258,903.02, 357,200.55 and 151,396.92 is: 208,877.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,903.02 : 357,200.55 = 151,396.92 : x
  2. Step 2: Convert to fraction form
    258,903.02/357,200.55 = 151,396.92/x
  3. Step 3: Cross multiply
    258,903.02x = 357,200.55 × 151,396.92
  4. Step 4: Simplify right side
    258,903.02x = 54,079,063,092.31
  5. Step 5: Solve for x
    x = 54,079,063,092.31/258,903.02
  6. Step 6: Final answer
    x = 208,877.68

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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.