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Finding the Fourth Proportional to 241,808.15, 333,688.22 and 138,438.88

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Solution

The fourth proportional to 241,808.15, 333,688.22 and 138,438.88 is: 191,041.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,808.15 : 333,688.22 = 138,438.88 : x
  2. Step 2: Convert to fraction form
    241,808.15/333,688.22 = 138,438.88/x
  3. Step 3: Cross multiply
    241,808.15x = 333,688.22 × 138,438.88
  4. Step 4: Simplify right side
    241,808.15x = 46,195,423,690.06
  5. Step 5: Solve for x
    x = 46,195,423,690.06/241,808.15
  6. Step 6: Final answer
    x = 191,041.64

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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.