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Finding the Fourth Proportional to 127,055.52, 175,330.80 and 70,466.40

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Solution

The fourth proportional to 127,055.52, 175,330.80 and 70,466.40 is: 97,240.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,055.52 : 175,330.80 = 70,466.40 : x
  2. Step 2: Convert to fraction form
    127,055.52/175,330.80 = 70,466.40/x
  3. Step 3: Cross multiply
    127,055.52x = 175,330.80 × 70,466.40
  4. Step 4: Simplify right side
    127,055.52x = 12,354,930,285.12
  5. Step 5: Solve for x
    x = 12,354,930,285.12/127,055.52
  6. Step 6: Final answer
    x = 97,240.41

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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.