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Finding the Fourth Proportional to 211,779.97, 292,256.71 and 116,292.71

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Solution

The fourth proportional to 211,779.97, 292,256.71 and 116,292.71 is: 160,484.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,779.97 : 292,256.71 = 116,292.71 : x
  2. Step 2: Convert to fraction form
    211,779.97/292,256.71 = 116,292.71/x
  3. Step 3: Cross multiply
    211,779.97x = 292,256.71 × 116,292.71
  4. Step 4: Simplify right side
    211,779.97x = 33,987,325,261.49
  5. Step 5: Solve for x
    x = 33,987,325,261.49/211,779.97
  6. Step 6: Final answer
    x = 160,484.14

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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.