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Finding the Fourth Proportional to 200,457.47, 276,631.35 and 109,816.68

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Solution

The fourth proportional to 200,457.47, 276,631.35 and 109,816.68 is: 151,547.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,457.47 : 276,631.35 = 109,816.68 : x
  2. Step 2: Convert to fraction form
    200,457.47/276,631.35 = 109,816.68/x
  3. Step 3: Cross multiply
    200,457.47x = 276,631.35 × 109,816.68
  4. Step 4: Simplify right side
    200,457.47x = 30,378,736,440.92
  5. Step 5: Solve for x
    x = 30,378,736,440.92/200,457.47
  6. Step 6: Final answer
    x = 151,547.04

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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.