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Finding the Fourth Proportional to 255,641.80, 383,518.06 and 97,870.26

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Solution

The fourth proportional to 255,641.80, 383,518.06 and 97,870.26 is: 146,826.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,641.80 : 383,518.06 = 97,870.26 : x
  2. Step 2: Convert to fraction form
    255,641.80/383,518.06 = 97,870.26/x
  3. Step 3: Cross multiply
    255,641.80x = 383,518.06 × 97,870.26
  4. Step 4: Simplify right side
    255,641.80x = 37,535,012,246.90
  5. Step 5: Solve for x
    x = 37,535,012,246.90/255,641.80
  6. Step 6: Final answer
    x = 146,826.58

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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.