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Finding the Fourth Proportional to 152,988.79, 229,483.15 and 47,807.76

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Solution

The fourth proportional to 152,988.79, 229,483.15 and 47,807.76 is: 71,711.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,988.79 : 229,483.15 = 47,807.76 : x
  2. Step 2: Convert to fraction form
    152,988.79/229,483.15 = 47,807.76/x
  3. Step 3: Cross multiply
    152,988.79x = 229,483.15 × 47,807.76
  4. Step 4: Simplify right side
    152,988.79x = 10,971,075,359.24
  5. Step 5: Solve for x
    x = 10,971,075,359.24/152,988.79
  6. Step 6: Final answer
    x = 71,711.63

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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.