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Finding the Fourth Proportional to 352,681.06, 529,041.60 and 112,816.04

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Solution

The fourth proportional to 352,681.06, 529,041.60 and 112,816.04 is: 169,230.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,681.06 : 529,041.60 = 112,816.04 : x
  2. Step 2: Convert to fraction form
    352,681.06/529,041.60 = 112,816.04/x
  3. Step 3: Cross multiply
    352,681.06x = 529,041.60 × 112,816.04
  4. Step 4: Simplify right side
    352,681.06x = 59,684,378,307.26
  5. Step 5: Solve for x
    x = 59,684,378,307.26/352,681.06
  6. Step 6: Final answer
    x = 169,230.46

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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.