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Finding the Fourth Proportional to 249,063.28, 373,774.48 and 99,216.88

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Solution

The fourth proportional to 249,063.28, 373,774.48 and 99,216.88 is: 148,896.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,063.28 : 373,774.48 = 99,216.88 : x
  2. Step 2: Convert to fraction form
    249,063.28/373,774.48 = 99,216.88/x
  3. Step 3: Cross multiply
    249,063.28x = 373,774.48 × 99,216.88
  4. Step 4: Simplify right side
    249,063.28x = 37,084,737,729.22
  5. Step 5: Solve for x
    x = 37,084,737,729.22/249,063.28
  6. Step 6: Final answer
    x = 148,896.85

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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.