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Finding the Fourth Proportional to 241,643.40, 362,465.10 and 108,587.40

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Solution

The fourth proportional to 241,643.40, 362,465.10 and 108,587.40 is: 162,881.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,643.40 : 362,465.10 = 108,587.40 : x
  2. Step 2: Convert to fraction form
    241,643.40/362,465.10 = 108,587.40/x
  3. Step 3: Cross multiply
    241,643.40x = 362,465.10 × 108,587.40
  4. Step 4: Simplify right side
    241,643.40x = 39,359,142,799.74
  5. Step 5: Solve for x
    x = 39,359,142,799.74/241,643.40
  6. Step 6: Final answer
    x = 162,881.10

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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.