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Finding the Fourth Proportional to 93,106.56, 139,549.96 and 39,782.95

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Solution

The fourth proportional to 93,106.56, 139,549.96 and 39,782.95 is: 59,627.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,106.56 : 139,549.96 = 39,782.95 : x
  2. Step 2: Convert to fraction form
    93,106.56/139,549.96 = 39,782.95/x
  3. Step 3: Cross multiply
    93,106.56x = 139,549.96 × 39,782.95
  4. Step 4: Simplify right side
    93,106.56x = 5,551,708,893.93
  5. Step 5: Solve for x
    x = 5,551,708,893.93/93,106.56
  6. Step 6: Final answer
    x = 59,627.47

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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.