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Finding the Fourth Proportional to 97,088.60, 145,625.70 and 40,914.20

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Solution

The fourth proportional to 97,088.60, 145,625.70 and 40,914.20 is: 61,368.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,088.60 : 145,625.70 = 40,914.20 : x
  2. Step 2: Convert to fraction form
    97,088.60/145,625.70 = 40,914.20/x
  3. Step 3: Cross multiply
    97,088.60x = 145,625.70 × 40,914.20
  4. Step 4: Simplify right side
    97,088.60x = 5,958,159,014.94
  5. Step 5: Solve for x
    x = 5,958,159,014.94/97,088.60
  6. Step 6: Final answer
    x = 61,368.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.