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Finding the Fourth Proportional to 157,628.02, 217,559.04 and 96,384.68

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Solution

The fourth proportional to 157,628.02, 217,559.04 and 96,384.68 is: 133,030.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,628.02 : 217,559.04 = 96,384.68 : x
  2. Step 2: Convert to fraction form
    157,628.02/217,559.04 = 96,384.68/x
  3. Step 3: Cross multiply
    157,628.02x = 217,559.04 × 96,384.68
  4. Step 4: Simplify right side
    157,628.02x = 20,969,358,451.51
  5. Step 5: Solve for x
    x = 20,969,358,451.51/157,628.02
  6. Step 6: Final answer
    x = 133,030.65

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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.