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Finding the Fourth Proportional to 93,097.69, 128,477.54 and 50,658.95

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Solution

The fourth proportional to 93,097.69, 128,477.54 and 50,658.95 is: 69,910.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,097.69 : 128,477.54 = 50,658.95 : x
  2. Step 2: Convert to fraction form
    93,097.69/128,477.54 = 50,658.95/x
  3. Step 3: Cross multiply
    93,097.69x = 128,477.54 × 50,658.95
  4. Step 4: Simplify right side
    93,097.69x = 6,508,537,722.82
  5. Step 5: Solve for x
    x = 6,508,537,722.82/93,097.69
  6. Step 6: Final answer
    x = 69,910.84

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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.