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Finding the Fourth Proportional to 243,500.77, 336,030.52 and 136,070.81

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Solution

The fourth proportional to 243,500.77, 336,030.52 and 136,070.81 is: 187,777.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,500.77 : 336,030.52 = 136,070.81 : x
  2. Step 2: Convert to fraction form
    243,500.77/336,030.52 = 136,070.81/x
  3. Step 3: Cross multiply
    243,500.77x = 336,030.52 × 136,070.81
  4. Step 4: Simplify right side
    243,500.77x = 45,723,945,041.12
  5. Step 5: Solve for x
    x = 45,723,945,041.12/243,500.77
  6. Step 6: Final answer
    x = 187,777.41

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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.