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Finding the Fourth Proportional to 225,060.51, 310,437.16 and 144,360.21

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Solution

The fourth proportional to 225,060.51, 310,437.16 and 144,360.21 is: 199,123.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,060.51 : 310,437.16 = 144,360.21 : x
  2. Step 2: Convert to fraction form
    225,060.51/310,437.16 = 144,360.21/x
  3. Step 3: Cross multiply
    225,060.51x = 310,437.16 × 144,360.21
  4. Step 4: Simplify right side
    225,060.51x = 44,814,773,609.40
  5. Step 5: Solve for x
    x = 44,814,773,609.40/225,060.51
  6. Step 6: Final answer
    x = 199,123.22

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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.