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Finding the Fourth Proportional to 93,199.61, 128,616.93 and 50,758.11

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Solution

The fourth proportional to 93,199.61, 128,616.93 and 50,758.11 is: 70,046.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,199.61 : 128,616.93 = 50,758.11 : x
  2. Step 2: Convert to fraction form
    93,199.61/128,616.93 = 50,758.11/x
  3. Step 3: Cross multiply
    93,199.61x = 128,616.93 × 50,758.11
  4. Step 4: Simplify right side
    93,199.61x = 6,528,352,280.80
  5. Step 5: Solve for x
    x = 6,528,352,280.80/93,199.61
  6. Step 6: Final answer
    x = 70,046.99

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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.