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Finding the Fourth Proportional to 124,803.40, 175,035.80 and 124,803.40

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Solution

The fourth proportional to 124,803.40, 175,035.80 and 124,803.40 is: 175,035.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,803.40 : 175,035.80 = 124,803.40 : x
  2. Step 2: Convert to fraction form
    124,803.40/175,035.80 = 124,803.40/x
  3. Step 3: Cross multiply
    124,803.40x = 175,035.80 × 124,803.40
  4. Step 4: Simplify right side
    124,803.40x = 21,845,062,961.72
  5. Step 5: Solve for x
    x = 21,845,062,961.72/124,803.40
  6. Step 6: Final answer
    x = 175,035.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.