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Finding the Fourth Proportional to 152,688.61, 229,048.61 and 52,848.64

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Solution

The fourth proportional to 152,688.61, 229,048.61 and 52,848.64 is: 79,278.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,688.61 : 229,048.61 = 52,848.64 : x
  2. Step 2: Convert to fraction form
    152,688.61/229,048.61 = 52,848.64/x
  3. Step 3: Cross multiply
    152,688.61x = 229,048.61 × 52,848.64
  4. Step 4: Simplify right side
    152,688.61x = 12,104,907,532.39
  5. Step 5: Solve for x
    x = 12,104,907,532.39/152,688.61
  6. Step 6: Final answer
    x = 79,278.39

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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.