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Finding the Fourth Proportional to 148,806.40, 207,862.40 and 148,806.40

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Solution

The fourth proportional to 148,806.40, 207,862.40 and 148,806.40 is: 207,862.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,806.40 : 207,862.40 = 148,806.40 : x
  2. Step 2: Convert to fraction form
    148,806.40/207,862.40 = 148,806.40/x
  3. Step 3: Cross multiply
    148,806.40x = 207,862.40 × 148,806.40
  4. Step 4: Simplify right side
    148,806.40x = 30,931,255,439.36
  5. Step 5: Solve for x
    x = 30,931,255,439.36/148,806.40
  6. Step 6: Final answer
    x = 207,862.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.