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Finding the Fourth Proportional to 163,802.45, 245,740.53 and 63,991.11

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Solution

The fourth proportional to 163,802.45, 245,740.53 and 63,991.11 is: 96,001.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,802.45 : 245,740.53 = 63,991.11 : x
  2. Step 2: Convert to fraction form
    163,802.45/245,740.53 = 63,991.11/x
  3. Step 3: Cross multiply
    163,802.45x = 245,740.53 × 63,991.11
  4. Step 4: Simplify right side
    163,802.45x = 15,725,210,448.18
  5. Step 5: Solve for x
    x = 15,725,210,448.18/163,802.45
  6. Step 6: Final answer
    x = 96,001.07

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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.