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Finding the Fourth Proportional to 121,528.40, 182,292.60 and 121,528.40

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Solution

The fourth proportional to 121,528.40, 182,292.60 and 121,528.40 is: 182,292.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,528.40 : 182,292.60 = 121,528.40 : x
  2. Step 2: Convert to fraction form
    121,528.40/182,292.60 = 121,528.40/x
  3. Step 3: Cross multiply
    121,528.40x = 182,292.60 × 121,528.40
  4. Step 4: Simplify right side
    121,528.40x = 22,153,728,009.84
  5. Step 5: Solve for x
    x = 22,153,728,009.84/121,528.40
  6. Step 6: Final answer
    x = 182,292.60

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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.