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Finding the Fourth Proportional to 173,404.40, 260,106.60 and 84,830.90

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Solution

The fourth proportional to 173,404.40, 260,106.60 and 84,830.90 is: 127,246.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,404.40 : 260,106.60 = 84,830.90 : x
  2. Step 2: Convert to fraction form
    173,404.40/260,106.60 = 84,830.90/x
  3. Step 3: Cross multiply
    173,404.40x = 260,106.60 × 84,830.90
  4. Step 4: Simplify right side
    173,404.40x = 22,065,076,973.94
  5. Step 5: Solve for x
    x = 22,065,076,973.94/173,404.40
  6. Step 6: Final answer
    x = 127,246.35

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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.