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Finding the Fourth Proportional to 99,953.04, 149,855.70 and 47,300.88

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Solution

The fourth proportional to 99,953.04, 149,855.70 and 47,300.88 is: 70,916.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,953.04 : 149,855.70 = 47,300.88 : x
  2. Step 2: Convert to fraction form
    99,953.04/149,855.70 = 47,300.88/x
  3. Step 3: Cross multiply
    99,953.04x = 149,855.70 × 47,300.88
  4. Step 4: Simplify right side
    99,953.04x = 7,088,306,483.02
  5. Step 5: Solve for x
    x = 7,088,306,483.02/99,953.04
  6. Step 6: Final answer
    x = 70,916.37

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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.