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Finding the Fourth Proportional to 114,386.96, 171,580.44 and 35,480

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Solution

The fourth proportional to 114,386.96, 171,580.44 and 35,480 is: 53,220.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,386.96 : 171,580.44 = 35,480 : x
  2. Step 2: Convert to fraction form
    114,386.96/171,580.44 = 35,480/x
  3. Step 3: Cross multiply
    114,386.96x = 171,580.44 × 35,480
  4. Step 4: Simplify right side
    114,386.96x = 6,087,674,011.20
  5. Step 5: Solve for x
    x = 6,087,674,011.20/114,386.96
  6. Step 6: Final answer
    x = 53,220.00

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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.