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Finding the Fourth Proportional to 211,682.92, 292,117.55 and 114,886.94

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Solution

The fourth proportional to 211,682.92, 292,117.55 and 114,886.94 is: 158,541.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,682.92 : 292,117.55 = 114,886.94 : x
  2. Step 2: Convert to fraction form
    211,682.92/292,117.55 = 114,886.94/x
  3. Step 3: Cross multiply
    211,682.92x = 292,117.55 × 114,886.94
  4. Step 4: Simplify right side
    211,682.92x = 33,560,493,088.11
  5. Step 5: Solve for x
    x = 33,560,493,088.11/211,682.92
  6. Step 6: Final answer
    x = 158,541.34

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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.