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Finding the Fourth Proportional to 249,080.01, 343,728.63 and 141,649.98

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Solution

The fourth proportional to 249,080.01, 343,728.63 and 141,649.98 is: 195,475.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,080.01 : 343,728.63 = 141,649.98 : x
  2. Step 2: Convert to fraction form
    249,080.01/343,728.63 = 141,649.98/x
  3. Step 3: Cross multiply
    249,080.01x = 343,728.63 × 141,649.98
  4. Step 4: Simplify right side
    249,080.01x = 48,689,153,564.93
  5. Step 5: Solve for x
    x = 48,689,153,564.93/249,080.01
  6. Step 6: Final answer
    x = 195,475.96

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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.