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Finding the Fourth Proportional to 178,150.50, 245,840.49 and 106,570.08

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Solution

The fourth proportional to 178,150.50, 245,840.49 and 106,570.08 is: 147,062.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,150.50 : 245,840.49 = 106,570.08 : x
  2. Step 2: Convert to fraction form
    178,150.50/245,840.49 = 106,570.08/x
  3. Step 3: Cross multiply
    178,150.50x = 245,840.49 × 106,570.08
  4. Step 4: Simplify right side
    178,150.50x = 26,199,240,686.54
  5. Step 5: Solve for x
    x = 26,199,240,686.54/178,150.50
  6. Step 6: Final answer
    x = 147,062.40

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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.