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Finding the Fourth Proportional to 228,045.52, 314,703.30 and 127,443.52

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Solution

The fourth proportional to 228,045.52, 314,703.30 and 127,443.52 is: 175,872.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,045.52 : 314,703.30 = 127,443.52 : x
  2. Step 2: Convert to fraction form
    228,045.52/314,703.30 = 127,443.52/x
  3. Step 3: Cross multiply
    228,045.52x = 314,703.30 × 127,443.52
  4. Step 4: Simplify right side
    228,045.52x = 40,106,896,307.62
  5. Step 5: Solve for x
    x = 40,106,896,307.62/228,045.52
  6. Step 6: Final answer
    x = 175,872.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.