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Finding the Fourth Proportional to 71,365,412.60, 107,048,118.90 and 23,490,135.80

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Solution

The fourth proportional to 71,365,412.60, 107,048,118.90 and 23,490,135.80 is: 35,235,203.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,365,412.60 : 107,048,118.90 = 23,490,135.80 : x
  2. Step 2: Convert to fraction form
    71,365,412.60/107,048,118.90 = 23,490,135.80/x
  3. Step 3: Cross multiply
    71,365,412.60x = 107,048,118.90 × 23,490,135.80
  4. Step 4: Simplify right side
    71,365,412.60x = 2,514,574,850,095,547
  5. Step 5: Solve for x
    x = 2,514,574,850,095,547/71,365,412.60
  6. Step 6: Final answer
    x = 35,235,203.70

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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.