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Finding the Fourth Proportional to 163,802.13, 245,704.54 and 45,482.68

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Solution

The fourth proportional to 163,802.13, 245,704.54 and 45,482.68 is: 68,224.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,802.13 : 245,704.54 = 45,482.68 : x
  2. Step 2: Convert to fraction form
    163,802.13/245,704.54 = 45,482.68/x
  3. Step 3: Cross multiply
    163,802.13x = 245,704.54 × 45,482.68
  4. Step 4: Simplify right side
    163,802.13x = 11,175,300,967.37
  5. Step 5: Solve for x
    x = 11,175,300,967.37/163,802.13
  6. Step 6: Final answer
    x = 68,224.39

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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.