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Finding the Fourth Proportional to 88,924.60, 133,386.90 and 84,842.20

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Solution

The fourth proportional to 88,924.60, 133,386.90 and 84,842.20 is: 127,263.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,924.60 : 133,386.90 = 84,842.20 : x
  2. Step 2: Convert to fraction form
    88,924.60/133,386.90 = 84,842.20/x
  3. Step 3: Cross multiply
    88,924.60x = 133,386.90 × 84,842.20
  4. Step 4: Simplify right side
    88,924.60x = 11,316,838,047.18
  5. Step 5: Solve for x
    x = 11,316,838,047.18/88,924.60
  6. Step 6: Final answer
    x = 127,263.30

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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.