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Finding the Fourth Proportional to 111,643.74, 167,270.58 and 93,043.26

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Solution

The fourth proportional to 111,643.74, 167,270.58 and 93,043.26 is: 139,402.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,643.74 : 167,270.58 = 93,043.26 : x
  2. Step 2: Convert to fraction form
    111,643.74/167,270.58 = 93,043.26/x
  3. Step 3: Cross multiply
    111,643.74x = 167,270.58 × 93,043.26
  4. Step 4: Simplify right side
    111,643.74x = 15,563,400,065.29
  5. Step 5: Solve for x
    x = 15,563,400,065.29/111,643.74
  6. Step 6: Final answer
    x = 139,402.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.