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Finding the Fourth Proportional to 212,362.40, 293,052.66 and 116,866.64

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Solution

The fourth proportional to 212,362.40, 293,052.66 and 116,866.64 is: 161,271.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,362.40 : 293,052.66 = 116,866.64 : x
  2. Step 2: Convert to fraction form
    212,362.40/293,052.66 = 116,866.64/x
  3. Step 3: Cross multiply
    212,362.40x = 293,052.66 × 116,866.64
  4. Step 4: Simplify right side
    212,362.40x = 34,248,079,717.26
  5. Step 5: Solve for x
    x = 34,248,079,717.26/212,362.40
  6. Step 6: Final answer
    x = 161,271.86

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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.