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Finding the Fourth Proportional to 152,271.80, 228,407.70 and 105,032.60

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Solution

The fourth proportional to 152,271.80, 228,407.70 and 105,032.60 is: 157,548.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,271.80 : 228,407.70 = 105,032.60 : x
  2. Step 2: Convert to fraction form
    152,271.80/228,407.70 = 105,032.60/x
  3. Step 3: Cross multiply
    152,271.80x = 228,407.70 × 105,032.60
  4. Step 4: Simplify right side
    152,271.80x = 23,990,254,591.02
  5. Step 5: Solve for x
    x = 23,990,254,591.02/152,271.80
  6. Step 6: Final answer
    x = 157,548.90

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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.