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Finding the Fourth Proportional to 225,512.51, 310,992.63 and 134,854.07

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Solution

The fourth proportional to 225,512.51, 310,992.63 and 134,854.07 is: 185,970.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,512.51 : 310,992.63 = 134,854.07 : x
  2. Step 2: Convert to fraction form
    225,512.51/310,992.63 = 134,854.07/x
  3. Step 3: Cross multiply
    225,512.51x = 310,992.63 × 134,854.07
  4. Step 4: Simplify right side
    225,512.51x = 41,938,621,895.50
  5. Step 5: Solve for x
    x = 41,938,621,895.50/225,512.51
  6. Step 6: Final answer
    x = 185,970.27

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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.