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Finding the Fourth Proportional to 212,751.98, 293,599.51 and 117,258.92

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Solution

The fourth proportional to 212,751.98, 293,599.51 and 117,258.92 is: 161,818.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,751.98 : 293,599.51 = 117,258.92 : x
  2. Step 2: Convert to fraction form
    212,751.98/293,599.51 = 117,258.92/x
  3. Step 3: Cross multiply
    212,751.98x = 293,599.51 × 117,258.92
  4. Step 4: Simplify right side
    212,751.98x = 34,427,159,693.98
  5. Step 5: Solve for x
    x = 34,427,159,693.98/212,751.98
  6. Step 6: Final answer
    x = 161,818.28

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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.