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Finding the Fourth Proportional to 151,607.80, 227,411.70 and 46,426.60

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Solution

The fourth proportional to 151,607.80, 227,411.70 and 46,426.60 is: 69,639.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,607.80 : 227,411.70 = 46,426.60 : x
  2. Step 2: Convert to fraction form
    151,607.80/227,411.70 = 46,426.60/x
  3. Step 3: Cross multiply
    151,607.80x = 227,411.70 × 46,426.60
  4. Step 4: Simplify right side
    151,607.80x = 10,557,952,031.22
  5. Step 5: Solve for x
    x = 10,557,952,031.22/151,607.80
  6. Step 6: Final answer
    x = 69,639.90

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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.