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Finding the Fourth Proportional to 64,523.98, 97,164.95 and 56,302.08

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Solution

The fourth proportional to 64,523.98, 97,164.95 and 56,302.08 is: 84,783.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,523.98 : 97,164.95 = 56,302.08 : x
  2. Step 2: Convert to fraction form
    64,523.98/97,164.95 = 56,302.08/x
  3. Step 3: Cross multiply
    64,523.98x = 97,164.95 × 56,302.08
  4. Step 4: Simplify right side
    64,523.98x = 5,470,588,788.10
  5. Step 5: Solve for x
    x = 5,470,588,788.10/64,523.98
  6. Step 6: Final answer
    x = 84,783.81

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.