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Finding the Fourth Proportional to 88,673.60, 133,010.40 and 42,017.60

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Solution

The fourth proportional to 88,673.60, 133,010.40 and 42,017.60 is: 63,026.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,673.60 : 133,010.40 = 42,017.60 : x
  2. Step 2: Convert to fraction form
    88,673.60/133,010.40 = 42,017.60/x
  3. Step 3: Cross multiply
    88,673.60x = 133,010.40 × 42,017.60
  4. Step 4: Simplify right side
    88,673.60x = 5,588,777,783.04
  5. Step 5: Solve for x
    x = 5,588,777,783.04/88,673.60
  6. Step 6: Final answer
    x = 63,026.40

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1.5x scale

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.