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Finding the Fourth Proportional to 124,004.76, 171,211.08 and 83,230.03

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Solution

The fourth proportional to 124,004.76, 171,211.08 and 83,230.03 is: 114,914.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,004.76 : 171,211.08 = 83,230.03 : x
  2. Step 2: Convert to fraction form
    124,004.76/171,211.08 = 83,230.03/x
  3. Step 3: Cross multiply
    124,004.76x = 171,211.08 × 83,230.03
  4. Step 4: Simplify right side
    124,004.76x = 14,249,903,324.73
  5. Step 5: Solve for x
    x = 14,249,903,324.73/124,004.76
  6. Step 6: Final answer
    x = 114,914.16

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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.