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Finding the Fourth Proportional to 93,021.70, 139,532.55 and 29,841.70

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Solution

The fourth proportional to 93,021.70, 139,532.55 and 29,841.70 is: 44,762.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,021.70 : 139,532.55 = 29,841.70 : x
  2. Step 2: Convert to fraction form
    93,021.70/139,532.55 = 29,841.70/x
  3. Step 3: Cross multiply
    93,021.70x = 139,532.55 × 29,841.70
  4. Step 4: Simplify right side
    93,021.70x = 4,163,888,497.34
  5. Step 5: Solve for x
    x = 4,163,888,497.34/93,021.70
  6. Step 6: Final answer
    x = 44,762.55

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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.