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Finding the Fourth Proportional to 93,192.81, 128,622.93 and 54,950.08

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Solution

The fourth proportional to 93,192.81, 128,622.93 and 54,950.08 is: 75,841.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,192.81 : 128,622.93 = 54,950.08 : x
  2. Step 2: Convert to fraction form
    93,192.81/128,622.93 = 54,950.08/x
  3. Step 3: Cross multiply
    93,192.81x = 128,622.93 × 54,950.08
  4. Step 4: Simplify right side
    93,192.81x = 7,067,840,293.33
  5. Step 5: Solve for x
    x = 7,067,840,293.33/93,192.81
  6. Step 6: Final answer
    x = 75,841.05

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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.