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Finding the Fourth Proportional to 74,785.68, 103,200.36 and 46,490.88

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Solution

The fourth proportional to 74,785.68, 103,200.36 and 46,490.88 is: 64,155.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,785.68 : 103,200.36 = 46,490.88 : x
  2. Step 2: Convert to fraction form
    74,785.68/103,200.36 = 46,490.88/x
  3. Step 3: Cross multiply
    74,785.68x = 103,200.36 × 46,490.88
  4. Step 4: Simplify right side
    74,785.68x = 4,797,875,552.72
  5. Step 5: Solve for x
    x = 4,797,875,552.72/74,785.68
  6. Step 6: Final answer
    x = 64,155.00

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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.