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Finding the Fourth Proportional to 148,907.40, 223,533.90 and 89,809.80

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Solution

The fourth proportional to 148,907.40, 223,533.90 and 89,809.80 is: 134,818.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,907.40 : 223,533.90 = 89,809.80 : x
  2. Step 2: Convert to fraction form
    148,907.40/223,533.90 = 89,809.80/x
  3. Step 3: Cross multiply
    148,907.40x = 223,533.90 × 89,809.80
  4. Step 4: Simplify right side
    148,907.40x = 20,075,534,852.22
  5. Step 5: Solve for x
    x = 20,075,534,852.22/148,907.40
  6. Step 6: Final answer
    x = 134,818.92

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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.