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Finding the Fourth Proportional to 152,796.48, 210,859.44 and 84,811.04

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Solution

The fourth proportional to 152,796.48, 210,859.44 and 84,811.04 is: 117,039.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,796.48 : 210,859.44 = 84,811.04 : x
  2. Step 2: Convert to fraction form
    152,796.48/210,859.44 = 84,811.04/x
  3. Step 3: Cross multiply
    152,796.48x = 210,859.44 × 84,811.04
  4. Step 4: Simplify right side
    152,796.48x = 17,883,208,400.22
  5. Step 5: Solve for x
    x = 17,883,208,400.22/152,796.48
  6. Step 6: Final answer
    x = 117,039.40

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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.