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Finding the Fourth Proportional to 202,647.50, 279,668.03 and 112,001.52

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Solution

The fourth proportional to 202,647.50, 279,668.03 and 112,001.52 is: 154,570.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,647.50 : 279,668.03 = 112,001.52 : x
  2. Step 2: Convert to fraction form
    202,647.50/279,668.03 = 112,001.52/x
  3. Step 3: Cross multiply
    202,647.50x = 279,668.03 × 112,001.52
  4. Step 4: Simplify right side
    202,647.50x = 31,323,243,895.40
  5. Step 5: Solve for x
    x = 31,323,243,895.40/202,647.50
  6. Step 6: Final answer
    x = 154,570.10

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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.