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Finding the Fourth Proportional to 171,187.16, 256,870.28 and 70,060.28

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Solution

The fourth proportional to 171,187.16, 256,870.28 and 70,060.28 is: 105,127.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,187.16 : 256,870.28 = 70,060.28 : x
  2. Step 2: Convert to fraction form
    171,187.16/256,870.28 = 70,060.28/x
  3. Step 3: Cross multiply
    171,187.16x = 256,870.28 × 70,060.28
  4. Step 4: Simplify right side
    171,187.16x = 17,996,402,631.28
  5. Step 5: Solve for x
    x = 17,996,402,631.28/171,187.16
  6. Step 6: Final answer
    x = 105,127.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.