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Finding the Fourth Proportional to 140,303.96, 210,466.86 and 46,809.64

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Solution

The fourth proportional to 140,303.96, 210,466.86 and 46,809.64 is: 70,218.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,303.96 : 210,466.86 = 46,809.64 : x
  2. Step 2: Convert to fraction form
    140,303.96/210,466.86 = 46,809.64/x
  3. Step 3: Cross multiply
    140,303.96x = 210,466.86 × 46,809.64
  4. Step 4: Simplify right side
    140,303.96x = 9,851,877,948.53
  5. Step 5: Solve for x
    x = 9,851,877,948.53/140,303.96
  6. Step 6: Final answer
    x = 70,218.10

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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.