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Finding the Fourth Proportional to 163,483.36, 245,100.76 and 84,547.28

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Solution

The fourth proportional to 163,483.36, 245,100.76 and 84,547.28 is: 126,756.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,483.36 : 245,100.76 = 84,547.28 : x
  2. Step 2: Convert to fraction form
    163,483.36/245,100.76 = 84,547.28/x
  3. Step 3: Cross multiply
    163,483.36x = 245,100.76 × 84,547.28
  4. Step 4: Simplify right side
    163,483.36x = 20,722,602,583.93
  5. Step 5: Solve for x
    x = 20,722,602,583.93/163,483.36
  6. Step 6: Final answer
    x = 126,756.65

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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.