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Finding the Fourth Proportional to 116,554.40, 160,840.40 and 68,823.12

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Solution

The fourth proportional to 116,554.40, 160,840.40 and 68,823.12 is: 94,973.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,554.40 : 160,840.40 = 68,823.12 : x
  2. Step 2: Convert to fraction form
    116,554.40/160,840.40 = 68,823.12/x
  3. Step 3: Cross multiply
    116,554.40x = 160,840.40 × 68,823.12
  4. Step 4: Simplify right side
    116,554.40x = 11,069,538,150.05
  5. Step 5: Solve for x
    x = 11,069,538,150.05/116,554.40
  6. Step 6: Final answer
    x = 94,973.15

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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.