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Finding the Fourth Proportional to 155,642.70, 233,464.05 and 43,322.70

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Solution

The fourth proportional to 155,642.70, 233,464.05 and 43,322.70 is: 64,984.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,642.70 : 233,464.05 = 43,322.70 : x
  2. Step 2: Convert to fraction form
    155,642.70/233,464.05 = 43,322.70/x
  3. Step 3: Cross multiply
    155,642.70x = 233,464.05 × 43,322.70
  4. Step 4: Simplify right side
    155,642.70x = 10,114,292,998.94
  5. Step 5: Solve for x
    x = 10,114,292,998.94/155,642.70
  6. Step 6: Final answer
    x = 64,984.05

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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.