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Finding the Fourth Proportional to 84,162.68, 116,039.44 and 53,898.24

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Solution

The fourth proportional to 84,162.68, 116,039.44 and 53,898.24 is: 74,312.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,162.68 : 116,039.44 = 53,898.24 : x
  2. Step 2: Convert to fraction form
    84,162.68/116,039.44 = 53,898.24/x
  3. Step 3: Cross multiply
    84,162.68x = 116,039.44 × 53,898.24
  4. Step 4: Simplify right side
    84,162.68x = 6,254,322,089.11
  5. Step 5: Solve for x
    x = 6,254,322,089.11/84,162.68
  6. Step 6: Final answer
    x = 74,312.30

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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.