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Finding the Fourth Proportional to 145,075.60, 217,440.60 and 60,835.60

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Solution

The fourth proportional to 145,075.60, 217,440.60 and 60,835.60 is: 91,180.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,075.60 : 217,440.60 = 60,835.60 : x
  2. Step 2: Convert to fraction form
    145,075.60/217,440.60 = 60,835.60/x
  3. Step 3: Cross multiply
    145,075.60x = 217,440.60 × 60,835.60
  4. Step 4: Simplify right side
    145,075.60x = 13,228,129,365.36
  5. Step 5: Solve for x
    x = 13,228,129,365.36/145,075.60
  6. Step 6: Final answer
    x = 91,180.94

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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.