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Finding the Fourth Proportional to 127,055.68, 175,334.16 and 70,465.84

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Solution

The fourth proportional to 127,055.68, 175,334.16 and 70,465.84 is: 97,241.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,055.68 : 175,334.16 = 70,465.84 : x
  2. Step 2: Convert to fraction form
    127,055.68/175,334.16 = 70,465.84/x
  3. Step 3: Cross multiply
    127,055.68x = 175,334.16 × 70,465.84
  4. Step 4: Simplify right side
    127,055.68x = 12,355,068,865.09
  5. Step 5: Solve for x
    x = 12,355,068,865.09/127,055.68
  6. Step 6: Final answer
    x = 97,241.37

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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.