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Finding the Fourth Proportional to 127,460.54, 175,888.32 and 70,870.70

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Solution

The fourth proportional to 127,460.54, 175,888.32 and 70,870.70 is: 97,797.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,460.54 : 175,888.32 = 70,870.70 : x
  2. Step 2: Convert to fraction form
    127,460.54/175,888.32 = 70,870.70/x
  3. Step 3: Cross multiply
    127,460.54x = 175,888.32 × 70,870.70
  4. Step 4: Simplify right side
    127,460.54x = 12,465,328,360.22
  5. Step 5: Solve for x
    x = 12,465,328,360.22/127,460.54
  6. Step 6: Final answer
    x = 97,797.55

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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.