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Finding the Fourth Proportional to 93,098.24, 139,646.88 and 39,782.24

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Solution

The fourth proportional to 93,098.24, 139,646.88 and 39,782.24 is: 59,673.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,098.24 : 139,646.88 = 39,782.24 : x
  2. Step 2: Convert to fraction form
    93,098.24/139,646.88 = 39,782.24/x
  3. Step 3: Cross multiply
    93,098.24x = 139,646.88 × 39,782.24
  4. Step 4: Simplify right side
    93,098.24x = 5,555,465,695.41
  5. Step 5: Solve for x
    x = 5,555,465,695.41/93,098.24
  6. Step 6: Final answer
    x = 59,673.15

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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.