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Finding the Fourth Proportional to 93,282.38, 128,729.68 and 50,841.01

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Solution

The fourth proportional to 93,282.38, 128,729.68 and 50,841.01 is: 70,160.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,282.38 : 128,729.68 = 50,841.01 : x
  2. Step 2: Convert to fraction form
    93,282.38/128,729.68 = 50,841.01/x
  3. Step 3: Cross multiply
    93,282.38x = 128,729.68 × 50,841.01
  4. Step 4: Simplify right side
    93,282.38x = 6,544,746,499.25
  5. Step 5: Solve for x
    x = 6,544,746,499.25/93,282.38
  6. Step 6: Final answer
    x = 70,160.59

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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.