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Finding the Fourth Proportional to 127,477.84, 175,918.92 and 70,889.52

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Solution

The fourth proportional to 127,477.84, 175,918.92 and 70,889.52 is: 97,827.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,477.84 : 175,918.92 = 70,889.52 : x
  2. Step 2: Convert to fraction form
    127,477.84/175,918.92 = 70,889.52/x
  3. Step 3: Cross multiply
    127,477.84x = 175,918.92 × 70,889.52
  4. Step 4: Simplify right side
    127,477.84x = 12,470,807,797.72
  5. Step 5: Solve for x
    x = 12,470,807,797.72/127,477.84
  6. Step 6: Final answer
    x = 97,827.26

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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.