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Finding the Fourth Proportional to 212,758.55, 293,602.93 and 115,963.25

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Solution

The fourth proportional to 212,758.55, 293,602.93 and 115,963.25 is: 160,027.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,758.55 : 293,602.93 = 115,963.25 : x
  2. Step 2: Convert to fraction form
    212,758.55/293,602.93 = 115,963.25/x
  3. Step 3: Cross multiply
    212,758.55x = 293,602.93 × 115,963.25
  4. Step 4: Simplify right side
    212,758.55x = 34,047,148,214.40
  5. Step 5: Solve for x
    x = 34,047,148,214.40/212,758.55
  6. Step 6: Final answer
    x = 160,027.17

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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.