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Finding the Fourth Proportional to 119,347.84, 179,021.70 and 56,828.80

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Solution

The fourth proportional to 119,347.84, 179,021.70 and 56,828.80 is: 85,243.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,347.84 : 179,021.70 = 56,828.80 : x
  2. Step 2: Convert to fraction form
    119,347.84/179,021.70 = 56,828.80/x
  3. Step 3: Cross multiply
    119,347.84x = 179,021.70 × 56,828.80
  4. Step 4: Simplify right side
    119,347.84x = 10,173,588,384.96
  5. Step 5: Solve for x
    x = 10,173,588,384.96/119,347.84
  6. Step 6: Final answer
    x = 85,243.17

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1.5x scale

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.