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Finding the Fourth Proportional to 183,893.46, 253,886.20 and 145,806.86

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Solution

The fourth proportional to 183,893.46, 253,886.20 and 145,806.86 is: 201,303.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,893.46 : 253,886.20 = 145,806.86 : x
  2. Step 2: Convert to fraction form
    183,893.46/253,886.20 = 145,806.86/x
  3. Step 3: Cross multiply
    183,893.46x = 253,886.20 × 145,806.86
  4. Step 4: Simplify right side
    183,893.46x = 37,018,348,461.42
  5. Step 5: Solve for x
    x = 37,018,348,461.42/183,893.46
  6. Step 6: Final answer
    x = 201,303.23

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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.