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Finding the Fourth Proportional to 212,574.63, 293,386.31 and 125,369.32

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Solution

The fourth proportional to 212,574.63, 293,386.31 and 125,369.32 is: 173,029.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,574.63 : 293,386.31 = 125,369.32 : x
  2. Step 2: Convert to fraction form
    212,574.63/293,386.31 = 125,369.32/x
  3. Step 3: Cross multiply
    212,574.63x = 293,386.31 × 125,369.32
  4. Step 4: Simplify right side
    212,574.63x = 36,781,641,267.60
  5. Step 5: Solve for x
    x = 36,781,641,267.60/212,574.63
  6. Step 6: Final answer
    x = 173,029.31

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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.