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Finding the Fourth Proportional to 211,889.50, 292,407.51 and 116,397.79

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Solution

The fourth proportional to 211,889.50, 292,407.51 and 116,397.79 is: 160,628.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,889.50 : 292,407.51 = 116,397.79 : x
  2. Step 2: Convert to fraction form
    211,889.50/292,407.51 = 116,397.79/x
  3. Step 3: Cross multiply
    211,889.50x = 292,407.51 × 116,397.79
  4. Step 4: Simplify right side
    211,889.50x = 34,035,587,943.40
  5. Step 5: Solve for x
    x = 34,035,587,943.40/211,889.50
  6. Step 6: Final answer
    x = 160,628.95

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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.