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Finding the Fourth Proportional to 216,030.91, 298,074.93 and 125,334.34

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Solution

The fourth proportional to 216,030.91, 298,074.93 and 125,334.34 is: 172,933.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,030.91 : 298,074.93 = 125,334.34 : x
  2. Step 2: Convert to fraction form
    216,030.91/298,074.93 = 125,334.34/x
  3. Step 3: Cross multiply
    216,030.91x = 298,074.93 × 125,334.34
  4. Step 4: Simplify right side
    216,030.91x = 37,359,024,622.10
  5. Step 5: Solve for x
    x = 37,359,024,622.10/216,030.91
  6. Step 6: Final answer
    x = 172,933.70

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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.