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Finding the Fourth Proportional to 170,515, 235,307.58 and 94,041.16

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Solution

The fourth proportional to 170,515, 235,307.58 and 94,041.16 is: 129,775.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,515 : 235,307.58 = 94,041.16 : x
  2. Step 2: Convert to fraction form
    170,515/235,307.58 = 94,041.16/x
  3. Step 3: Cross multiply
    170,515x = 235,307.58 × 94,041.16
  4. Step 4: Simplify right side
    170,515x = 22,128,597,779.99
  5. Step 5: Solve for x
    x = 22,128,597,779.99/170,515
  6. Step 6: Final answer
    x = 129,775.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.