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Finding the Fourth Proportional to 121,522.30, 181,955.40 and 121,522.30

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Solution

The fourth proportional to 121,522.30, 181,955.40 and 121,522.30 is: 181,955.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,522.30 : 181,955.40 = 121,522.30 : x
  2. Step 2: Convert to fraction form
    121,522.30/181,955.40 = 121,522.30/x
  3. Step 3: Cross multiply
    121,522.30x = 181,955.40 × 121,522.30
  4. Step 4: Simplify right side
    121,522.30x = 22,111,638,705.42
  5. Step 5: Solve for x
    x = 22,111,638,705.42/121,522.30
  6. Step 6: Final answer
    x = 181,955.40

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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.