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Finding the Fourth Proportional to 110,607.33, 152,638.16 and 62,859.45

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Solution

The fourth proportional to 110,607.33, 152,638.16 and 62,859.45 is: 86,746.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,607.33 : 152,638.16 = 62,859.45 : x
  2. Step 2: Convert to fraction form
    110,607.33/152,638.16 = 62,859.45/x
  3. Step 3: Cross multiply
    110,607.33x = 152,638.16 × 62,859.45
  4. Step 4: Simplify right side
    110,607.33x = 9,594,750,786.61
  5. Step 5: Solve for x
    x = 9,594,750,786.61/110,607.33
  6. Step 6: Final answer
    x = 86,746.07

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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.