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Finding the Fourth Proportional to 102,607.22, 141,600.35 and 64,368.41

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Solution

The fourth proportional to 102,607.22, 141,600.35 and 64,368.41 is: 88,829.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,607.22 : 141,600.35 = 64,368.41 : x
  2. Step 2: Convert to fraction form
    102,607.22/141,600.35 = 64,368.41/x
  3. Step 3: Cross multiply
    102,607.22x = 141,600.35 × 64,368.41
  4. Step 4: Simplify right side
    102,607.22x = 9,114,588,837.86
  5. Step 5: Solve for x
    x = 9,114,588,837.86/102,607.22
  6. Step 6: Final answer
    x = 88,829.90

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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.