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Finding the Fourth Proportional to 96,156.51, 132,703.71 and 53,139.77

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Solution

The fourth proportional to 96,156.51, 132,703.71 and 53,139.77 is: 73,337.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,156.51 : 132,703.71 = 53,139.77 : x
  2. Step 2: Convert to fraction form
    96,156.51/132,703.71 = 53,139.77/x
  3. Step 3: Cross multiply
    96,156.51x = 132,703.71 × 53,139.77
  4. Step 4: Simplify right side
    96,156.51x = 7,051,844,627.55
  5. Step 5: Solve for x
    x = 7,051,844,627.55/96,156.51
  6. Step 6: Final answer
    x = 73,337.15

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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.