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Finding the Fourth Proportional to 273,642.50, 377,526.93 and 160,443.38

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Solution

The fourth proportional to 273,642.50, 377,526.93 and 160,443.38 is: 221,353.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,642.50 : 377,526.93 = 160,443.38 : x
  2. Step 2: Convert to fraction form
    273,642.50/377,526.93 = 160,443.38/x
  3. Step 3: Cross multiply
    273,642.50x = 377,526.93 × 160,443.38
  4. Step 4: Simplify right side
    273,642.50x = 60,571,697,032.38
  5. Step 5: Solve for x
    x = 60,571,697,032.38/273,642.50
  6. Step 6: Final answer
    x = 221,353.40

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1.5x scale

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.