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Finding the Fourth Proportional to 127,074.71, 175,384.14 and 70,504.31

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Solution

The fourth proportional to 127,074.71, 175,384.14 and 70,504.31 is: 97,307.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,074.71 : 175,384.14 = 70,504.31 : x
  2. Step 2: Convert to fraction form
    127,074.71/175,384.14 = 70,504.31/x
  3. Step 3: Cross multiply
    127,074.71x = 175,384.14 × 70,504.31
  4. Step 4: Simplify right side
    127,074.71x = 12,365,337,775.64
  5. Step 5: Solve for x
    x = 12,365,337,775.64/127,074.71
  6. Step 6: Final answer
    x = 97,307.62

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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.