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Finding the Fourth Proportional to 99,492.08, 149,259.90 and 46,901.96

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Solution

The fourth proportional to 99,492.08, 149,259.90 and 46,901.96 is: 70,363.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,492.08 : 149,259.90 = 46,901.96 : x
  2. Step 2: Convert to fraction form
    99,492.08/149,259.90 = 46,901.96/x
  3. Step 3: Cross multiply
    99,492.08x = 149,259.90 × 46,901.96
  4. Step 4: Simplify right side
    99,492.08x = 7,000,581,859.40
  5. Step 5: Solve for x
    x = 7,000,581,859.40/99,492.08
  6. Step 6: Final answer
    x = 70,363.21

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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.