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Finding the Fourth Proportional to 101,579.10, 152,368.65 and 96,740.70

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Solution

The fourth proportional to 101,579.10, 152,368.65 and 96,740.70 is: 145,111.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,579.10 : 152,368.65 = 96,740.70 : x
  2. Step 2: Convert to fraction form
    101,579.10/152,368.65 = 96,740.70/x
  3. Step 3: Cross multiply
    101,579.10x = 152,368.65 × 96,740.70
  4. Step 4: Simplify right side
    101,579.10x = 14,740,249,859.06
  5. Step 5: Solve for x
    x = 14,740,249,859.06/101,579.10
  6. Step 6: Final answer
    x = 145,111.05

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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.