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Finding the Fourth Proportional to 228,239.58, 342,440.40 and 101,868.32

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Solution

The fourth proportional to 228,239.58, 342,440.40 and 101,868.32 is: 152,838.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,239.58 : 342,440.40 = 101,868.32 : x
  2. Step 2: Convert to fraction form
    228,239.58/342,440.40 = 101,868.32/x
  3. Step 3: Cross multiply
    228,239.58x = 342,440.40 × 101,868.32
  4. Step 4: Simplify right side
    228,239.58x = 34,883,828,248.13
  5. Step 5: Solve for x
    x = 34,883,828,248.13/228,239.58
  6. Step 6: Final answer
    x = 152,838.65

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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.