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Finding the Fourth Proportional to 164,875.87, 247,147.65 and 64,997.40

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Solution

The fourth proportional to 164,875.87, 247,147.65 and 64,997.40 is: 97,430.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,875.87 : 247,147.65 = 64,997.40 : x
  2. Step 2: Convert to fraction form
    164,875.87/247,147.65 = 64,997.40/x
  3. Step 3: Cross multiply
    164,875.87x = 247,147.65 × 64,997.40
  4. Step 4: Simplify right side
    164,875.87x = 16,063,954,666.11
  5. Step 5: Solve for x
    x = 16,063,954,666.11/164,875.87
  6. Step 6: Final answer
    x = 97,430.60

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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.