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Finding the Fourth Proportional to 188,502.04, 260,136.06 and 103,622.68

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Solution

The fourth proportional to 188,502.04, 260,136.06 and 103,622.68 is: 143,001.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,502.04 : 260,136.06 = 103,622.68 : x
  2. Step 2: Convert to fraction form
    188,502.04/260,136.06 = 103,622.68/x
  3. Step 3: Cross multiply
    188,502.04x = 260,136.06 × 103,622.68
  4. Step 4: Simplify right side
    188,502.04x = 26,955,995,701.84
  5. Step 5: Solve for x
    x = 26,955,995,701.84/188,502.04
  6. Step 6: Final answer
    x = 143,001.08

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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.