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Finding the Fourth Proportional to 116,858.68, 160,925.88 and 101,538.34

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Solution

The fourth proportional to 116,858.68, 160,925.88 and 101,538.34 is: 139,828.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,858.68 : 160,925.88 = 101,538.34 : x
  2. Step 2: Convert to fraction form
    116,858.68/160,925.88 = 101,538.34/x
  3. Step 3: Cross multiply
    116,858.68x = 160,925.88 × 101,538.34
  4. Step 4: Simplify right side
    116,858.68x = 16,340,146,718.24
  5. Step 5: Solve for x
    x = 16,340,146,718.24/116,858.68
  6. Step 6: Final answer
    x = 139,828.27

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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.