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Finding the Fourth Proportional to 114,637.60, 171,810.60 and 55,345.60

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Solution

The fourth proportional to 114,637.60, 171,810.60 and 55,345.60 is: 82,948.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,637.60 : 171,810.60 = 55,345.60 : x
  2. Step 2: Convert to fraction form
    114,637.60/171,810.60 = 55,345.60/x
  3. Step 3: Cross multiply
    114,637.60x = 171,810.60 × 55,345.60
  4. Step 4: Simplify right side
    114,637.60x = 9,508,960,743.36
  5. Step 5: Solve for x
    x = 9,508,960,743.36/114,637.60
  6. Step 6: Final answer
    x = 82,948.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.