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Finding the Fourth Proportional to 357,085.02, 535,250.95 and 117,136.26

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Solution

The fourth proportional to 357,085.02, 535,250.95 and 117,136.26 is: 175,580.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,085.02 : 535,250.95 = 117,136.26 : x
  2. Step 2: Convert to fraction form
    357,085.02/535,250.95 = 117,136.26/x
  3. Step 3: Cross multiply
    357,085.02x = 535,250.95 × 117,136.26
  4. Step 4: Simplify right side
    357,085.02x = 62,697,293,858.77
  5. Step 5: Solve for x
    x = 62,697,293,858.77/357,085.02
  6. Step 6: Final answer
    x = 175,580.86

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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.