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Finding the Fourth Proportional to 93,356.40, 139,950.36 and 34,150.80

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Solution

The fourth proportional to 93,356.40, 139,950.36 and 34,150.80 is: 51,195.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,356.40 : 139,950.36 = 34,150.80 : x
  2. Step 2: Convert to fraction form
    93,356.40/139,950.36 = 34,150.80/x
  3. Step 3: Cross multiply
    93,356.40x = 139,950.36 × 34,150.80
  4. Step 4: Simplify right side
    93,356.40x = 4,779,416,754.29
  5. Step 5: Solve for x
    x = 4,779,416,754.29/93,356.40
  6. Step 6: Final answer
    x = 51,195.38

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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.