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Finding the Fourth Proportional to 163,536.90, 245,123.10 and 63,663.90

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Solution

The fourth proportional to 163,536.90, 245,123.10 and 63,663.90 is: 95,424.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,536.90 : 245,123.10 = 63,663.90 : x
  2. Step 2: Convert to fraction form
    163,536.90/245,123.10 = 63,663.90/x
  3. Step 3: Cross multiply
    163,536.90x = 245,123.10 × 63,663.90
  4. Step 4: Simplify right side
    163,536.90x = 15,605,492,526.09
  5. Step 5: Solve for x
    x = 15,605,492,526.09/163,536.90
  6. Step 6: Final answer
    x = 95,424.90

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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.