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Finding the Fourth Proportional to 152,504.56, 210,457.85 and 84,523.03

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Solution

The fourth proportional to 152,504.56, 210,457.85 and 84,523.03 is: 116,642.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,504.56 : 210,457.85 = 84,523.03 : x
  2. Step 2: Convert to fraction form
    152,504.56/210,457.85 = 84,523.03/x
  3. Step 3: Cross multiply
    152,504.56x = 210,457.85 × 84,523.03
  4. Step 4: Simplify right side
    152,504.56x = 17,788,534,220.53
  5. Step 5: Solve for x
    x = 17,788,534,220.53/152,504.56
  6. Step 6: Final answer
    x = 116,642.64

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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.