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Finding the Fourth Proportional to 124,805.40, 175,038.60 and 124,805.40

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Solution

The fourth proportional to 124,805.40, 175,038.60 and 124,805.40 is: 175,038.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,805.40 : 175,038.60 = 124,805.40 : x
  2. Step 2: Convert to fraction form
    124,805.40/175,038.60 = 124,805.40/x
  3. Step 3: Cross multiply
    124,805.40x = 175,038.60 × 124,805.40
  4. Step 4: Simplify right side
    124,805.40x = 21,845,762,488.44
  5. Step 5: Solve for x
    x = 21,845,762,488.44/124,805.40
  6. Step 6: Final answer
    x = 175,038.60

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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.