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Finding the Fourth Proportional to 196,801.65, 295,130.25 and 70,407.63

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Solution

The fourth proportional to 196,801.65, 295,130.25 and 70,407.63 is: 105,585.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,801.65 : 295,130.25 = 70,407.63 : x
  2. Step 2: Convert to fraction form
    196,801.65/295,130.25 = 70,407.63/x
  3. Step 3: Cross multiply
    196,801.65x = 295,130.25 × 70,407.63
  4. Step 4: Simplify right side
    196,801.65x = 20,779,421,443.81
  5. Step 5: Solve for x
    x = 20,779,421,443.81/196,801.65
  6. Step 6: Final answer
    x = 105,585.61

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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.