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Finding the Fourth Proportional to 93,329.01, 128,792.43 and 50,886.63

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Solution

The fourth proportional to 93,329.01, 128,792.43 and 50,886.63 is: 70,222.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,329.01 : 128,792.43 = 50,886.63 : x
  2. Step 2: Convert to fraction form
    93,329.01/128,792.43 = 50,886.63/x
  3. Step 3: Cross multiply
    93,329.01x = 128,792.43 × 50,886.63
  4. Step 4: Simplify right side
    93,329.01x = 6,553,812,732.21
  5. Step 5: Solve for x
    x = 6,553,812,732.21/93,329.01
  6. Step 6: Final answer
    x = 70,222.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.