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Finding the Fourth Proportional to 173,368.60, 260,052.90 and 147,999.40

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Solution

The fourth proportional to 173,368.60, 260,052.90 and 147,999.40 is: 221,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,368.60 : 260,052.90 = 147,999.40 : x
  2. Step 2: Convert to fraction form
    173,368.60/260,052.90 = 147,999.40/x
  3. Step 3: Cross multiply
    173,368.60x = 260,052.90 × 147,999.40
  4. Step 4: Simplify right side
    173,368.60x = 38,487,673,168.26
  5. Step 5: Solve for x
    x = 38,487,673,168.26/173,368.60
  6. Step 6: Final answer
    x = 221,999.10

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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.