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Finding the Fourth Proportional to 118,483.40, 163,536.48 and 67,526.35

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Solution

The fourth proportional to 118,483.40, 163,536.48 and 67,526.35 is: 93,203.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,483.40 : 163,536.48 = 67,526.35 : x
  2. Step 2: Convert to fraction form
    118,483.40/163,536.48 = 67,526.35/x
  3. Step 3: Cross multiply
    118,483.40x = 163,536.48 × 67,526.35
  4. Step 4: Simplify right side
    118,483.40x = 11,043,021,586.25
  5. Step 5: Solve for x
    x = 11,043,021,586.25/118,483.40
  6. Step 6: Final answer
    x = 93,203.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.