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Finding the Fourth Proportional to 127,166.16, 175,485.96 and 70,576.08

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Solution

The fourth proportional to 127,166.16, 175,485.96 and 70,576.08 is: 97,393.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,166.16 : 175,485.96 = 70,576.08 : x
  2. Step 2: Convert to fraction form
    127,166.16/175,485.96 = 70,576.08/x
  3. Step 3: Cross multiply
    127,166.16x = 175,485.96 × 70,576.08
  4. Step 4: Simplify right side
    127,166.16x = 12,385,111,151.84
  5. Step 5: Solve for x
    x = 12,385,111,151.84/127,166.16
  6. Step 6: Final answer
    x = 97,393.14

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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.