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Finding the Fourth Proportional to 93,094.45, 139,624.90 and 39,816.40

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Solution

The fourth proportional to 93,094.45, 139,624.90 and 39,816.40 is: 59,717.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,094.45 : 139,624.90 = 39,816.40 : x
  2. Step 2: Convert to fraction form
    93,094.45/139,624.90 = 39,816.40/x
  3. Step 3: Cross multiply
    93,094.45x = 139,624.90 × 39,816.40
  4. Step 4: Simplify right side
    93,094.45x = 5,559,360,669.28
  5. Step 5: Solve for x
    x = 5,559,360,669.28/93,094.45
  6. Step 6: Final answer
    x = 59,717.42

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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.