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Finding the Fourth Proportional to 93,145.74, 139,675.74 and 29,954.16

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Solution

The fourth proportional to 93,145.74, 139,675.74 and 29,954.16 is: 44,917.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,145.74 : 139,675.74 = 29,954.16 : x
  2. Step 2: Convert to fraction form
    93,145.74/139,675.74 = 29,954.16/x
  3. Step 3: Cross multiply
    93,145.74x = 139,675.74 × 29,954.16
  4. Step 4: Simplify right side
    93,145.74x = 4,183,869,464.08
  5. Step 5: Solve for x
    x = 4,183,869,464.08/93,145.74
  6. Step 6: Final answer
    x = 44,917.45

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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.