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Finding the Fourth Proportional to 173,915.40, 260,848.80 and 55,598.70

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Solution

The fourth proportional to 173,915.40, 260,848.80 and 55,598.70 is: 83,390.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,915.40 : 260,848.80 = 55,598.70 : x
  2. Step 2: Convert to fraction form
    173,915.40/260,848.80 = 55,598.70/x
  3. Step 3: Cross multiply
    173,915.40x = 260,848.80 × 55,598.70
  4. Step 4: Simplify right side
    173,915.40x = 14,502,854,176.56
  5. Step 5: Solve for x
    x = 14,502,854,176.56/173,915.40
  6. Step 6: Final answer
    x = 83,390.28

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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.