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Finding the Fourth Proportional to 118,199.01, 163,116.68 and 64,484.47

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Solution

The fourth proportional to 118,199.01, 163,116.68 and 64,484.47 is: 88,989.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,199.01 : 163,116.68 = 64,484.47 : x
  2. Step 2: Convert to fraction form
    118,199.01/163,116.68 = 64,484.47/x
  3. Step 3: Cross multiply
    118,199.01x = 163,116.68 × 64,484.47
  4. Step 4: Simplify right side
    118,199.01x = 10,518,492,657.96
  5. Step 5: Solve for x
    x = 10,518,492,657.96/118,199.01
  6. Step 6: Final answer
    x = 88,989.68

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