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Finding the Fourth Proportional to 93,147.84, 139,698.41 and 39,813.46

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Solution

The fourth proportional to 93,147.84, 139,698.41 and 39,813.46 is: 59,710.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,147.84 : 139,698.41 = 39,813.46 : x
  2. Step 2: Convert to fraction form
    93,147.84/139,698.41 = 39,813.46/x
  3. Step 3: Cross multiply
    93,147.84x = 139,698.41 × 39,813.46
  4. Step 4: Simplify right side
    93,147.84x = 5,561,876,510.29
  5. Step 5: Solve for x
    x = 5,561,876,510.29/93,147.84
  6. Step 6: Final answer
    x = 59,710.20

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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.