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Finding the Fourth Proportional to 170,007.60, 255,011.40 and 102,356.40

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Solution

The fourth proportional to 170,007.60, 255,011.40 and 102,356.40 is: 153,534.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,007.60 : 255,011.40 = 102,356.40 : x
  2. Step 2: Convert to fraction form
    170,007.60/255,011.40 = 102,356.40/x
  3. Step 3: Cross multiply
    170,007.60x = 255,011.40 × 102,356.40
  4. Step 4: Simplify right side
    170,007.60x = 26,102,048,862.96
  5. Step 5: Solve for x
    x = 26,102,048,862.96/170,007.60
  6. Step 6: Final answer
    x = 153,534.60

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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.