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Finding the Fourth Proportional to 80,360.80, 110,875.44 and 46,820.32

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Solution

The fourth proportional to 80,360.80, 110,875.44 and 46,820.32 is: 64,598.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,360.80 : 110,875.44 = 46,820.32 : x
  2. Step 2: Convert to fraction form
    80,360.80/110,875.44 = 46,820.32/x
  3. Step 3: Cross multiply
    80,360.80x = 110,875.44 × 46,820.32
  4. Step 4: Simplify right side
    80,360.80x = 5,191,223,580.94
  5. Step 5: Solve for x
    x = 5,191,223,580.94/80,360.80
  6. Step 6: Final answer
    x = 64,598.95

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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.