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Finding the Fourth Proportional to 93,305.74, 128,764.74 and 50,864.98

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Solution

The fourth proportional to 93,305.74, 128,764.74 and 50,864.98 is: 70,195.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,305.74 : 128,764.74 = 50,864.98 : x
  2. Step 2: Convert to fraction form
    93,305.74/128,764.74 = 50,864.98/x
  3. Step 3: Cross multiply
    93,305.74x = 128,764.74 × 50,864.98
  4. Step 4: Simplify right side
    93,305.74x = 6,549,615,924.81
  5. Step 5: Solve for x
    x = 6,549,615,924.81/93,305.74
  6. Step 6: Final answer
    x = 70,195.21

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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.