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Finding the Fourth Proportional to 127,124.94, 175,436.37 and 70,541.58

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Solution

The fourth proportional to 127,124.94, 175,436.37 and 70,541.58 is: 97,349.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,124.94 : 175,436.37 = 70,541.58 : x
  2. Step 2: Convert to fraction form
    127,124.94/175,436.37 = 70,541.58/x
  3. Step 3: Cross multiply
    127,124.94x = 175,436.37 × 70,541.58
  4. Step 4: Simplify right side
    127,124.94x = 12,375,558,729.26
  5. Step 5: Solve for x
    x = 12,375,558,729.26/127,124.94
  6. Step 6: Final answer
    x = 97,349.57

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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.