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Finding the Fourth Proportional to 114,492.76, 157,998.96 and 63,505.60

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Solution

The fourth proportional to 114,492.76, 157,998.96 and 63,505.60 is: 87,637.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,492.76 : 157,998.96 = 63,505.60 : x
  2. Step 2: Convert to fraction form
    114,492.76/157,998.96 = 63,505.60/x
  3. Step 3: Cross multiply
    114,492.76x = 157,998.96 × 63,505.60
  4. Step 4: Simplify right side
    114,492.76x = 10,033,818,359.18
  5. Step 5: Solve for x
    x = 10,033,818,359.18/114,492.76
  6. Step 6: Final answer
    x = 87,637.14

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1.5x scale

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.