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Finding the Fourth Proportional to 93,182.81, 128,592.43 and 50,741.51

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Solution

The fourth proportional to 93,182.81, 128,592.43 and 50,741.51 is: 70,023.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,182.81 : 128,592.43 = 50,741.51 : x
  2. Step 2: Convert to fraction form
    93,182.81/128,592.43 = 50,741.51/x
  3. Step 3: Cross multiply
    93,182.81x = 128,592.43 × 50,741.51
  4. Step 4: Simplify right side
    93,182.81x = 6,524,973,302.95
  5. Step 5: Solve for x
    x = 6,524,973,302.95/93,182.81
  6. Step 6: Final answer
    x = 70,023.36

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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.