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Finding the Fourth Proportional to 265,887.02, 366,925.23 and 145,030.90

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Solution

The fourth proportional to 265,887.02, 366,925.23 and 145,030.90 is: 200,143.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,887.02 : 366,925.23 = 145,030.90 : x
  2. Step 2: Convert to fraction form
    265,887.02/366,925.23 = 145,030.90/x
  3. Step 3: Cross multiply
    265,887.02x = 366,925.23 × 145,030.90
  4. Step 4: Simplify right side
    265,887.02x = 53,215,495,422.29
  5. Step 5: Solve for x
    x = 53,215,495,422.29/265,887.02
  6. Step 6: Final answer
    x = 200,143.27

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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.