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Finding the Fourth Proportional to 273,315.80, 377,176.32 and 152,453.96

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Solution

The fourth proportional to 273,315.80, 377,176.32 and 152,453.96 is: 210,386.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,315.80 : 377,176.32 = 152,453.96 : x
  2. Step 2: Convert to fraction form
    273,315.80/377,176.32 = 152,453.96/x
  3. Step 3: Cross multiply
    273,315.80x = 377,176.32 × 152,453.96
  4. Step 4: Simplify right side
    273,315.80x = 57,502,023,602.23
  5. Step 5: Solve for x
    x = 57,502,023,602.23/273,315.80
  6. Step 6: Final answer
    x = 210,386.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.