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Finding the Fourth Proportional to 163,320.76, 245,076 and 63,549.82

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Solution

The fourth proportional to 163,320.76, 245,076 and 63,549.82 is: 95,361.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,320.76 : 245,076 = 63,549.82 : x
  2. Step 2: Convert to fraction form
    163,320.76/245,076 = 63,549.82/x
  3. Step 3: Cross multiply
    163,320.76x = 245,076 × 63,549.82
  4. Step 4: Simplify right side
    163,320.76x = 15,574,535,686.32
  5. Step 5: Solve for x
    x = 15,574,535,686.32/163,320.76
  6. Step 6: Final answer
    x = 95,361.64

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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.