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Finding the Fourth Proportional to 145,869.63, 218,804.48 and 46,037.63

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Solution

The fourth proportional to 145,869.63, 218,804.48 and 46,037.63 is: 69,056.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,869.63 : 218,804.48 = 46,037.63 : x
  2. Step 2: Convert to fraction form
    145,869.63/218,804.48 = 46,037.63/x
  3. Step 3: Cross multiply
    145,869.63x = 218,804.48 × 46,037.63
  4. Step 4: Simplify right side
    145,869.63x = 10,073,239,692.58
  5. Step 5: Solve for x
    x = 10,073,239,692.58/145,869.63
  6. Step 6: Final answer
    x = 69,056.46

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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.