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Finding the Fourth Proportional to 84,641.40, 127,010.70 and 32,088.60

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Solution

The fourth proportional to 84,641.40, 127,010.70 and 32,088.60 is: 48,151.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,641.40 : 127,010.70 = 32,088.60 : x
  2. Step 2: Convert to fraction form
    84,641.40/127,010.70 = 32,088.60/x
  3. Step 3: Cross multiply
    84,641.40x = 127,010.70 × 32,088.60
  4. Step 4: Simplify right side
    84,641.40x = 4,075,595,548.02
  5. Step 5: Solve for x
    x = 4,075,595,548.02/84,641.40
  6. Step 6: Final answer
    x = 48,151.32

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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.