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Finding the Fourth Proportional to 249,533.64, 374,189.28 and 71,998.46

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Solution

The fourth proportional to 249,533.64, 374,189.28 and 71,998.46 is: 107,965.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,533.64 : 374,189.28 = 71,998.46 : x
  2. Step 2: Convert to fraction form
    249,533.64/374,189.28 = 71,998.46/x
  3. Step 3: Cross multiply
    249,533.64x = 374,189.28 × 71,998.46
  4. Step 4: Simplify right side
    249,533.64x = 26,941,051,908.51
  5. Step 5: Solve for x
    x = 26,941,051,908.51/249,533.64
  6. Step 6: Final answer
    x = 107,965.61

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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.