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Finding the Fourth Proportional to 157,070.60, 235,452.30 and 63,451.40

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Solution

The fourth proportional to 157,070.60, 235,452.30 and 63,451.40 is: 95,115.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,070.60 : 235,452.30 = 63,451.40 : x
  2. Step 2: Convert to fraction form
    157,070.60/235,452.30 = 63,451.40/x
  3. Step 3: Cross multiply
    157,070.60x = 235,452.30 × 63,451.40
  4. Step 4: Simplify right side
    157,070.60x = 14,939,778,068.22
  5. Step 5: Solve for x
    x = 14,939,778,068.22/157,070.60
  6. Step 6: Final answer
    x = 95,115.05

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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.