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Finding the Fourth Proportional to 175,285.36, 241,879.80 and 103,668.40

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Solution

The fourth proportional to 175,285.36, 241,879.80 and 103,668.40 is: 143,054.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,285.36 : 241,879.80 = 103,668.40 : x
  2. Step 2: Convert to fraction form
    175,285.36/241,879.80 = 103,668.40/x
  3. Step 3: Cross multiply
    175,285.36x = 241,879.80 × 103,668.40
  4. Step 4: Simplify right side
    175,285.36x = 25,075,291,858.32
  5. Step 5: Solve for x
    x = 25,075,291,858.32/175,285.36
  6. Step 6: Final answer
    x = 143,054.11

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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.