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Finding the Fourth Proportional to 103,070.10, 154,313.55 and 103,070.10

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Solution

The fourth proportional to 103,070.10, 154,313.55 and 103,070.10 is: 154,313.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,070.10 : 154,313.55 = 103,070.10 : x
  2. Step 2: Convert to fraction form
    103,070.10/154,313.55 = 103,070.10/x
  3. Step 3: Cross multiply
    103,070.10x = 154,313.55 × 103,070.10
  4. Step 4: Simplify right side
    103,070.10x = 15,905,113,029.86
  5. Step 5: Solve for x
    x = 15,905,113,029.86/103,070.10
  6. Step 6: Final answer
    x = 154,313.55

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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.