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Finding the Fourth Proportional to 202,295.29, 303,457.56 and 77,636.29

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Solution

The fourth proportional to 202,295.29, 303,457.56 and 77,636.29 is: 116,460.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,295.29 : 303,457.56 = 77,636.29 : x
  2. Step 2: Convert to fraction form
    202,295.29/303,457.56 = 77,636.29/x
  3. Step 3: Cross multiply
    202,295.29x = 303,457.56 × 77,636.29
  4. Step 4: Simplify right side
    202,295.29x = 23,559,319,130.85
  5. Step 5: Solve for x
    x = 23,559,319,130.85/202,295.29
  6. Step 6: Final answer
    x = 116,460.05

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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.