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Finding the Fourth Proportional to 130,230.90, 182,585.70 and 130,230.90

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Solution

The fourth proportional to 130,230.90, 182,585.70 and 130,230.90 is: 182,585.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,230.90 : 182,585.70 = 130,230.90 : x
  2. Step 2: Convert to fraction form
    130,230.90/182,585.70 = 130,230.90/x
  3. Step 3: Cross multiply
    130,230.90x = 182,585.70 × 130,230.90
  4. Step 4: Simplify right side
    130,230.90x = 23,778,300,038.13
  5. Step 5: Solve for x
    x = 23,778,300,038.13/130,230.90
  6. Step 6: Final answer
    x = 182,585.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.