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Finding the Fourth Proportional to 145,883.57, 201,044.43 and 105,528.83

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Solution

The fourth proportional to 145,883.57, 201,044.43 and 105,528.83 is: 145,430.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,883.57 : 201,044.43 = 105,528.83 : x
  2. Step 2: Convert to fraction form
    145,883.57/201,044.43 = 105,528.83/x
  3. Step 3: Cross multiply
    145,883.57x = 201,044.43 × 105,528.83
  4. Step 4: Simplify right side
    145,883.57x = 21,215,982,470.69
  5. Step 5: Solve for x
    x = 21,215,982,470.69/145,883.57
  6. Step 6: Final answer
    x = 145,430.93

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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.