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Finding the Fourth Proportional to 152,224.60, 210,154.40 and 91,810.48

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Solution

The fourth proportional to 152,224.60, 210,154.40 and 91,810.48 is: 126,749.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,224.60 : 210,154.40 = 91,810.48 : x
  2. Step 2: Convert to fraction form
    152,224.60/210,154.40 = 91,810.48/x
  3. Step 3: Cross multiply
    152,224.60x = 210,154.40 × 91,810.48
  4. Step 4: Simplify right side
    152,224.60x = 19,294,376,338.11
  5. Step 5: Solve for x
    x = 19,294,376,338.11/152,224.60
  6. Step 6: Final answer
    x = 126,749.40

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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.