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Finding the Fourth Proportional to 249,025, 343,655.52 and 135,850.12

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Solution

The fourth proportional to 249,025, 343,655.52 and 135,850.12 is: 187,473.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,025 : 343,655.52 = 135,850.12 : x
  2. Step 2: Convert to fraction form
    249,025/343,655.52 = 135,850.12/x
  3. Step 3: Cross multiply
    249,025x = 343,655.52 × 135,850.12
  4. Step 4: Simplify right side
    249,025x = 46,685,643,630.66
  5. Step 5: Solve for x
    x = 46,685,643,630.66/249,025
  6. Step 6: Final answer
    x = 187,473.72

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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.