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Finding the Fourth Proportional to 186,737.10, 280,069.20 and 62,078.10

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Solution

The fourth proportional to 186,737.10, 280,069.20 and 62,078.10 is: 93,105.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,737.10 : 280,069.20 = 62,078.10 : x
  2. Step 2: Convert to fraction form
    186,737.10/280,069.20 = 62,078.10/x
  3. Step 3: Cross multiply
    186,737.10x = 280,069.20 × 62,078.10
  4. Step 4: Simplify right side
    186,737.10x = 17,386,163,804.52
  5. Step 5: Solve for x
    x = 17,386,163,804.52/186,737.10
  6. Step 6: Final answer
    x = 93,105.03

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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.