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Finding the Fourth Proportional to 140,064.99, 210,110.31 and 55,804.74

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Solution

The fourth proportional to 140,064.99, 210,110.31 and 55,804.74 is: 83,712.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,064.99 : 210,110.31 = 55,804.74 : x
  2. Step 2: Convert to fraction form
    140,064.99/210,110.31 = 55,804.74/x
  3. Step 3: Cross multiply
    140,064.99x = 210,110.31 × 55,804.74
  4. Step 4: Simplify right side
    140,064.99x = 11,725,151,220.87
  5. Step 5: Solve for x
    x = 11,725,151,220.87/140,064.99
  6. Step 6: Final answer
    x = 83,712.22

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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.